Improved RSS feed (#14)

Added description to the posts and this description is shown in the RSS
feed (when available).

Also added twitter social link.

src/_data/social.json

@@ -1,5 +1,6 @@
 {
     "email": "[email protected]",
     "github": "CodingBull-dev",
-    "youtube": "CodingBull-Dev"
+    "youtube": "CodingBull-Dev",
+    "twitter": "CodingBull_dev"
 }

src/blog/2023-05-02-how-to-access-data.md

@@ -1,6 +1,7 @@
 ---
 title:  "How to access data between Matrix outputs"
 date:   2023-05-02
+description: An introduction into how tricky it is to obtain the output from a matrix
 tags:
     - github-action
 ---

src/blog/2023-05-03-run-all-your-tests-concurrently.md

@@ -1,6 +1,7 @@
 ---
 title:  Run all your tests concurrently
 date:   2024-05-04
+description: Find out how you can fail-fast every CI check, letting your developers fix every test at the same time
 tags:
     - github-action
 ---

src/blog/2024-05-05-github-actions-major-version.md

@@ -2,6 +2,8 @@
 title:  "You can use GitHub actions major version by itself"
 permalink: "/blog/github-actions-major-version.html"
 date:   2024-05-05
+description: |
+    Did you know that the official GitHub actions provide a shortcut for the latest major version? Any action that [starts with `actions/`](https://github.com/actions) usually has two versions that you can use.
 tags:
     - github-action
 ---

src/rss.html

@@ -24,7 +24,11 @@
         <id>{{ absolutePostUrl }}</id>
         <content type="html">
             <![CDATA[
-        {{ post.templateContent | safe }}
+            {% if post.data.description %}
+                {{ post.data.description | safe }}
+            {% else %}
+                {{ post.templateContent | safe }}
+            {% endif %}
       ]]>
         </content>
     </entry>