feat(docs, ci): add GitHub action to build docs

Author: azasypkin

.github/workflows/ci.yml

@@ -65,6 +65,7 @@ jobs:
 
       - name: Clippy
         run: cargo clippy --workspace --all-targets -- -D warnings
+
   ci-webui:
     name: Build Web UI (Linux)
     runs-on: ubuntu-latest
@@ -81,3 +82,20 @@ jobs:
 
       - name: Build
         run: npm run build -w components/secutils-webui
+
+  ci-docs:
+    name: Build Docs (Linux)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: '.nvmrc'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci --ws
+
+      - name: Build
+        run: npm run build -w components/secutils-docs