Update example posts

exampleSite/content/blog/emoji-support.md

@@ -2,6 +2,7 @@
 title: "Emoji Support"
 date: 2019-03-05
 draft: false
+tags: [ "emoji" ]
 ---
 
 Emoji can be enabled in a Hugo project in a number of ways.

exampleSite/content/blog/markdown-syntax.md

@@ -2,6 +2,12 @@
 title: "Markdown Syntax Guide"
 date: 2019-03-11
 draft: false
+tags: [
+    "markdown",
+    "css",
+    "html",
+    "themes",
+]
 ---
 
 This article offers a sample of basic Markdown syntax that can be used in Hugo content files, also it shows whether basic HTML elements are decorated with CSS in a Hugo theme.

exampleSite/content/blog/placeholder-text.md

@@ -2,6 +2,7 @@
 title: "Placeholder Text"
 date: 2019-03-09
 draft: false
+tags: [ "markdown", "text", ]
 ---
 
 ## Mole et vultus populifer quaque primoque non

exampleSite/content/blog/rich-content.md

@@ -2,6 +2,10 @@
 title: "Rich Content"
 date: 2019-03-10
 draft: false
+tags: [
+    "shortcodes",
+    "privacy",
+]
 ---
 
 Hugo ships with several [Built-in Shortcodes](https://gohugo.io/content-management/shortcodes/#use-hugo-s-built-in-shortcodes) for rich content, along with a [Privacy Config](https://gohugo.io/about/hugo-and-gdpr/) and a set of Simple Shortcodes that enable static and no-JS versions of various social media embeds.