Justfile and updated README

justfile

@@ -0,0 +1,34 @@
+# Default deploy destination
+deploy_dir := "/var/www/tietokonepaja-fi"
+
+# Start development server
+dev:
+    npm run dev
+
+# Build for production (with type-check and .htaccess copy)
+build:
+    npm run build
+
+# Preview production build locally
+preview:
+    npm run preview
+
+# Build without type-checking
+build-only *args:
+    npm run build-only -- {{args}}
+
+# Type-check with vue-tsc
+type-check:
+    npm run type-check
+
+# Lint and auto-fix
+lint:
+    npm run lint
+
+# Format source files with Prettier
+format:
+    npm run format
+
+# Build and deploy dist to the given directory (default: /var/www/tietokonepaja-fi)
+deploy dest=deploy_dir: build
+    cp -r dist/. {{dest}}