Exclude docs from being "prettified"

Author: rawilk

.github/workflows/markdown-normalize.yml

@@ -0,0 +1,20 @@
+name: Normalize Markdown
+
+on:
+    push:
+        paths:
+            - "*.md"
+            - "!docs/**.md"
+
+jobs:
+    normalize:
+        timeout-minutes: 1
+        runs-on: ubuntu-latest
+        steps:
+            -   name: Git checkout
+                uses: actions/checkout@v3
+
+            -   name: Prettify markdown
+                uses: creyD/[email protected]
+                with:
+                    prettier_options: --write **/*.md