integrating information from the old wiki

Signed-off-by: Claudius <opensource@amenthes.de>

CHANGELOG.md

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+# CHANGELOG
+
+Please refer to the release notes published under 
+[`public/docs/release-notes.md`](public/docs/release-notes.md).
+
+These are also available on each CodiMD instance under
+https://[domain-name]/release-notes

docs/dev/getting-started.md

@@ -1,13 +1,54 @@
 # Developer Notes
 
+## Preparing for running the code
+
+**Notice:** *If you're into [docker](../setup/docker.md) or [heroku](../setup/heroku.md),
+there's extra documents for those!*
+
+1. Clone the repository (Cloning is the preferred way, but you can also download
+   and unzip a release)
+2. Enter the directory and run `bin/setup`, which will install npm dependencies
+   and create configs. The setup script is written in Bash, you would need bash
+   as a prerequisite.
+3. Setup the [config file](../configuration-config-file.md) or set up
+   [environment variables](../configuration-env-vars.md).
+
+
+## Running the Code
+
+Now that everything is in place, we can start CodiMD:
+
+4. `npm run build` will build the frontend bundle. It uses webpack to do that.
+5. Run the server with `node app.js`
+
+
+## Running the Code with Auto-Reload
+
+The commands above are fine for production, but you're a developer and surely
+you want to change things. You would need to restart both commands whenever you
+change something. Luckily, you can run these commands that will automatically
+rebuild the frontend or restart the server if necessary.
+
+The commands will stay active in your terminal, so you will need multiple tabs
+to run both at the same time.
+
+4. Use `npm run dev` if you want webpack to continuously rebuild the frontend
+   code.
+5. To auto-reload the server, the easiest method is to install [nodemon](https://www.npmjs.com/package/nodemon)
+   and run `nodemon --watch app.js --watch lib --watch locales app.js`.
+
+
 ## Structure
 
+The repository contains two parts: a server (backend) and a client (frontend).
+most of the server code is in `/lib` and most of the client code is in `public`.
+
 ```text
-codimd/
+codimd-server/
-├── test/           --- test suite
 ├── docs/           --- documentation
-├── lib/            --- server libraries
+├── lib/            --- server code
-└── public/         --- client files
+├── test/           --- test suite
+└── public/         --- client code
     ├── css/        --- css styles
     ├── docs/       --- default documents
     ├── js/         --- js scripts

docs/slide-options.md

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+## Slide Separators
+If you're getting started with reveal.js slides, there are a few things you need to know.
+
+There are two types of slides, those that transition horizontally and those that transition vertically (subslides).
+
+The following separators are used for each in the hackmd syntax:
+```
+# First Slide
+
+---
+
+# Next slide
+
+----
+
+## Subslide
+```
+as you can see, horizontal transitions are separated by `---` and vertical transitions by `----`
+
+## Basic YAML header
+It's possible to customise the slide options using the YAML header in the slide markdown.
+
+eg:
+```
+---
+title: Example Slide
+tags: presentation
+slideOptions:
+  theme: solarized
+  transition: 'fade'
+  # parallaxBackgroundImage: 'https://s3.amazonaws.com/hakim-static/reveal-js/reveal-parallax-1.jpg'
+---
+```
+make sure to have two spaces only at the start of the listed slide options.
+
+you can comment out options with a `#`
+
+### Some other options
+```
+# Display controls in the bottom right corner
+controls: true
+
+# Display a presentation progress bar
+progress: true
+
+# Set default timing of 2 minutes per slide
+defaultTiming: 120
+
+# Display the page number of the current slide
+slideNumber: false
+
+# Push each slide change to the browser history
+history: false
+
+# Enable keyboard shortcuts for navigation
+keyboard: true
+
+# Enable the slide overview mode
+overview: true
+
+# Vertical centering of slides
+center: true
+
+# Enables touch navigation on devices with touch input
+touch: true
+
+# Loop the presentation
+loop: false
+
+# Change the presentation direction to be RTL
+rtl: false
+
+# Randomizes the order of slides each time the presentation loads
+shuffle: false
+
+# Turns fragments on and off globally
+fragments: true
+
+# Flags if the presentation is running in an embedded mode,
+# i.e. contained within a limited portion of the screen
+embedded: false
+
+# Flags if we should show a help overlay when the questionmark
+# key is pressed
+help: true
+
+# Flags if speaker notes should be visible to all viewers
+showNotes: false
+
+# Global override for autolaying embedded media (video/audio/iframe)
+# - null: Media will only autoplay if data-autoplay is present
+# - true: All media will autoplay, regardless of individual setting
+# - false: No media will autoplay, regardless of individual setting
+autoPlayMedia: null
+
+# Number of milliseconds between automatically proceeding to the
+# next slide, disabled when set to 0, this value can be overwritten
+# by using a data-autoslide attribute on your slides
+autoSlide: 0
+
+# Stop auto-sliding after user input
+autoSlideStoppable: true
+
+# Use this method for navigation when auto-sliding
+autoSlideMethod: Reveal.navigateNext
+
+# Enable slide navigation via mouse wheel
+mouseWheel: false
+
+# Hides the address bar on mobile devices
+hideAddressBar: true
+
+# Opens links in an iframe preview overlay
+previewLinks: false
+
+# Transition style
+transition: 'slide' 
+# none/fade/slide/convex/concave/zoom
+
+# Transition speed
+transitionSpeed: 'default'
+# default/fast/slow
+
+# Transition style for full page slide backgrounds
+backgroundTransition: 'fade'
+# none/fade/slide/convex/concave/zoom
+
+# Number of slides away from the current that are visible
+viewDistance: 3
+
+# Parallax background image
+parallaxBackgroundImage: ''
+# e.g. "'https://s3.amazonaws.com/hakim-static/reveal-js/reveal-parallax-1.jpg'"
+
+# Parallax background size
+parallaxBackgroundSize: ''
+# CSS syntax, e.g. "2100px 900px"
+
+# Number of pixels to move the parallax background per slide
+# - Calculated automatically unless specified
+# - Set to 0 to disable movement along an axis
+parallaxBackgroundHorizontal: null
+parallaxBackgroundVertical: null
+
+# The display mode that will be used to show slides
+display: 'block'
+```
+
+## Customising individual slides
+
+custom background image:
+```
+---
+
+<!-- .slide: data-background="https://s3.amazonaws.com/hakim-static/reveal-js/reveal-parallax-1.jpg" -->
+#### testslide
+
+---
+```