ModMessage: add a codeblock message (#71)

* ModMessage: add a codeblock message

Co-authored-by: Jeremy Walker <[email protected]>

conf.py

@@ -55,6 +55,18 @@
         "show off a nice portfolio in the end. Another interesting "
         "resource for web development are the MDN web docs: http://developer.mozilla.org/en-US/docs/Learn."
     ),
+    "codeblock": (
+        "To make code easier for everyone to read (and to make you look like a pro), "
+        "**please use a codeblock when sharing code.**"
+        "For example, you can type the following:\n\n"
+        "\\`\\`\\`\nfor number in range(10):\n    total += number;\n\\`\\`\\`\n"
+        "Discord will render that as so:\n"
+        "```\nfor number in range(10):\n    total += number;\n```\n\n"
+        "You can even get syntax highlighting by adding the language to the codeblock opening:\n"
+        "\\`\\`\\`python\nfor number in range(10):\n    total += number;\n\\`\\`\\`\n"
+        "Discord will render that as so:\n"
+        "```python\nfor number in range(10):\n    total += number;\n```"
+    ),
 }
 
 # track_react.py