ci: Validate according to the schema

Author: YDX-2147483647

.github/workflows/check.yml

@@ -17,7 +17,14 @@ jobs:
         with:
           sparse-checkout: |
             projects.yaml
+            scripts/projects.schema.json
           sparse-checkout-cone-mode: false
+      - name: Install boon
+        run: |
+          wget https://github.com/santhosh-tekuri/boon/releases/download/v0.6.1/boon-x86_64-unknown-linux-gnu.tar.gz
+          tar -xzf boon-x86_64-unknown-linux-gnu.tar.gz
+          sudo mv boon /usr/local/bin/boon
+
       - name: Get names
         uses: mikefarah/yq@master
         id: projects-names
@@ -35,3 +42,7 @@ jobs:
             echo '```' >> $GITHUB_STEP_SUMMARY
             exit 1
           fi
+
+      - name: Validate according to the schema
+        run: |
+          boon scripts/projects.schema.json projects.yaml

.vscode/settings.json

@@ -1,5 +1,5 @@
 {
   "yaml.schemas": {
-    ".vscode/projects.schema.json": "projects.yaml"
+    "scripts/projects.schema.json": "projects.yaml"
   }
 }