Update format.yml & Add npm package management

Author: baerchen201

.github/workflows/format.yml

@@ -24,10 +24,7 @@ jobs:
 
           sudo apt install python3 black -y
 
-          sudo npm i -g prettier
-
-          black --version
-          echo "prettier $(prettier --version)"
+          sudo npm i # Prettier version and plugins should be specified in package.json
 
       - name: Format python using black
         run: black . --target-version py310

.gitignore

@@ -0,0 +1 @@
+node_modules/

.prettierrc.json

@@ -0,0 +1,3 @@
+{
+  "plugins": ["@prettier/plugin-php", "prettier-plugin-sh"]
+}

package-lock.json

@@ -0,0 +1,7 @@
+{
+  "devDependencies": {
+    "@prettier/plugin-php": "^0.22.2",
+    "prettier": "^3.4.1",
+    "prettier-plugin-sh": "^0.14.0"
+  }
+}