Added github actions + VSCode settings

- Check and validate links every day at 12
- Added my VSCode settings

.github/workflows/validate.yml

@@ -0,0 +1,17 @@
+on:
+  push:
+    branches:
+      - master
+  schedule:
+    - cron: 0 12 * * 0-5
+
+jobs:
+  build:
+    name: Validate links
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - name: Validate links
+      uses: ad-m/report-link-action@master
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}

.vscode/settings.json

@@ -0,0 +1,9 @@
+{
+    "markdownlint.config": {
+        "default": true,
+        "MD022": false,
+        "MD024": false,
+        "MD033": { "allowed_elements": ["a", "b", "br", "p", "img"] },
+        "MD036": false
+    }
+}