ci: Added markdown lint (#63)

closes #62.

.github/workflows/markdown-lint.yml

@@ -0,0 +1,22 @@
+name: Markdown Lint
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+  release:
+    types: [published]
+
+jobs:
+  markdown-lint:
+    name: Markdown Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 18
+      - run: |
+          npm install -g [email protected]
+          markdownlint --config .markdownlint.yaml '**/*.md'

.markdownlint.yaml

@@ -0,0 +1,3 @@
+"default": true # Default state for all rules
+"MD013": false # Disable rule for line length
+"MD033": false # Disable rule banning inline HTML