Add pre-commit hooks for markdown and yaml

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

docs/CONTRIBUTING.md

@@ -91,13 +91,13 @@ rules.
 
 - Critical issues may bypass the [quorum rules](#review-process), as long as the
   PR has been tested on at least one machine
-  - Issues which bypass the quorum process must have a second reviewer tagged
-  - All critical issues which bypass the approval process must have an RCA issue
-    opened and the RCA logged into the `inc/` folder
-  - The second reviewer has 2 weeks to retroactively review and approve the PR
-  - If the retro does not happen in the given window, an issue shall be opened
-    to either re-review the PR or to revert and replace the fix with a 
-    permanent solution
+    - Issues which bypass the quorum process must have a second reviewer tagged
+    - All critical issues which bypass the approval process must have an RCA issue
+      opened and the RCA logged into the `inc/` folder
+    - The second reviewer has 2 weeks to retroactively review and approve the PR
+    - If the retro does not happen in the given window, an issue shall be opened
+      to either re-review the PR or to revert and replace the fix with a
+      permanent solution
 - Critical issues must be tagged to `Nix Flake Features` project, and must have
   a priority of `High` and an estimate tagged. Start and end date are not needed