add support for another markdown

Author: qiujames

_includes/tablist_content

@@ -4,6 +4,9 @@
   markdown="1"
   style="display:{{ include.display }}"
 >
+{% if tab.content_md %}
+{% include_relative tabbed_content/{{ tab.content_md }} %}
+{% endif %}
 {% if tab.code_content %}
 ```{% if tab.language %}{{ tab.language }}{% endif %}
 {{ tab.code_content }}```

_posts/2022-06-23-tabbed-content-in-mm.md

@@ -11,6 +11,8 @@ hello-world-tablist:
       can add text that is also formatted in **markdown**.
       You can add [links](https://qiujames.github.io/) or even images!
       ![birdie!](/assets/images/favicon.ico)
+  - title: Another Markdown
+    content_md: code.md
   - title: Java
     language: java
     code_content: |
@@ -131,6 +133,7 @@ tablist:
   - title: Java...
 ```
 
+
 Indentation matters! The YAML Front Matter expects
 one level of indentation after the `|` character 
 (to indicate multiline front matter content). 

_posts/tabbed_content/code.md

@@ -0,0 +1,29 @@
+```python
+print("Python Code from Another Markdown File :)");
+```
+
+You can add markdown content through a specified file now!
+
+Since the {% raw %}`{% include %}`{% endraw %} tag
+oesn't go through the necessary liquid front matter
+preprocessing that Jekyll normally does, nested
+tab lists aren't supported.  
+
+Here's what the code.md that's generating this text looks like (kinda meta!)
+
+~~~md
+# code.md
+
+```python
+print("Python Code from Another Markdown File :)");
+```
+
+You can add markdown content through a specified file now!
+
+Since the {% raw %}`{% include %}`{% endraw %} tag
+oesn't go through the necessary liquid front matter
+preprocessing that Jekyll normally does, nested
+tab lists aren't supported.  
+
+Here's what the code.md that's generating this text looks like (kinda meta!)
+~~~