configured formatting files before pull request

.github/workflows/pre-commit.yml

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+name: pre-commit
+
+on:
+  pull_request:
+  push:
+    branches: 
+        - '*'
+
+jobs:
+    prettier:
+      runs-on: ubuntu-latest
+      steps:
+        - name: Checkout repository
+          uses: actions/checkout@v3
+
+        - name: Set up Node.js
+          uses: actions/setup-node@v3
+          with:
+            node-version: '20'
+
+        - name: Install dependencies and run prettier
+          run: |
+            npm install
+            npm run prettier

.gitignore

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+node_modules/
+package-lock.json

.prettierignore

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+Readme.md
+package.json
+node_modules/
+.github/

.prettierrc

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+{
+	"printWidth": 80,
+	"tabWidth": 0,
+	"useTabs": true,
+	"bracketSpacing": true,
+	"singleQuote": false,
+	"jsxSingleQuote": false,
+	"trailingComma": "all",
+	"arrowParens": "always",
+	"semi": true,
+	"plugins": ["prettier-plugin-brace-style"],
+	"braceStyle": "allman"
+}