Several theme changes (#659)

* Several theme changes

- Add max width of 1440px
- Rename css file
- Fix edit button
- Add local Roboto font

Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de>
(cherry picked from commit 5bdb392413)

docs/content/theme/styles/hedgedoc-custom.css

@@ -18,3 +18,6 @@
   --md-accent-bg-color: hsla(0, 0%, 100%, 1);
   --md-accent-bg-color--light: hsla(0, 0%, 100%, 0.7);
 }
+.md-grid {
+  max-width: 1440px;
+}

docs/content/theme/styles/roboto.css

@@ -0,0 +1,28 @@
+
+body, input {
+    font-family: "Roboto",-apple-system,BlinkMacSystemFont,Helvetica,Arial,sans-serif;
+}
+
+code, kbd, pre {
+    font-family: "Roboto Mono",SFMono-Regular,Consolas,Menlo,monospace;
+}
+
+@font-face {
+    font-family: 'Roboto';
+    font-style: normal;
+    font-weight: 400;
+    font-display: swap;
+    src: local('Roboto'),
+         url('./Roboto/roboto-latin-regular.woff2') format('woff2'),
+         url('./Roboto/roboto-latin-regular.woff') format('woff'),
+}
+
+@font-face {
+    font-family: 'Roboto Mono';
+    font-style: normal;
+    font-weight: 400;
+    font-display: swap;
+    src: local('Roboto Mono'),
+         url('./Roboto/roboto-mono-latin-regular.woff2') format('woff2'),
+         url('./Roboto/roboto-mono-latin-regular.woff') format('woff'),
+}

docs/mkdocs.yml

@@ -4,6 +4,7 @@ repo_url: https://github.com/hedgedoc/hedgedoc
 site_description: 'HedgeDoc Documentation'
 site_author: 'HedgeDoc Developers'
 docs_dir: content
+edit_uri: https://github.com/hedgedoc/hedgedoc/edit/master/docs/content/
 nav:
   - Home: index.md
   - Installation:
@@ -56,6 +57,8 @@ theme:
     - navigation.tabs
     - navigation.sections
     - toc.integrate
+  font: false
 
 extra_css:
-  - theme/styles/hedgedoc-color.css
+  - theme/styles/hedgedoc-custom.css
+  - theme/styles/roboto.css