Configure eslint and prettier for consistent code style

.eslintignore

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+node_modules
+
+# Project-specific paths to ignore
+/public/service-worker.js

.eslintrc.json

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+{
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:react/recommended",
+    "prettier"
+  ],
+  "parser": "@typescript-eslint/parser",
+  "ignorePatterns": ["!**/*", "node_modules/", "dist"],
+  "plugins": ["react", "prettier"],
+  "settings": {
+    "react": {
+      "version": "detect"
+    }
+  },
+  "rules": {
+    "prettier/prettier": "error",
+    "react/react-in-jsx-scope": "off"
+  },
+  "overrides": [
+    {
+      "files": ["*.ts", "*.tsx", "*.js", "*.jsx"],
+      "rules": {}
+    },
+    {
+      "files": ["*.ts", "*.tsx"],
+      "rules": {}
+    },
+    {
+      "files": ["*.js", "*.jsx"],
+      "rules": {}
+    },
+    {
+      "files": ["*.json"],
+      "parser": "jsonc-eslint-parser",
+      "rules": {}
+    }
+  ]
+}

.github/workflows/ci.yml

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+name: CI
+
+on:
+  pull_request:
+
+env:
+  node_version: 20.x
+
+jobs:
+  style:
+    name: Lint and Format
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ env.node_version }}
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Check formatting
+        run: npm run format:check
+
+      - name: Lint code
+        run: npm run lint
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ env.node_version }}
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build
+        run: npm run build

.prettierignore

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+# Add files here to ignore them from prettier formatting
+/dist
+
+# Project-specific paths to ignore
+/public/service-worker.js

.prettierrc

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+{
+  "singleQuote": true
+}

README.md

@@ -1 +1 @@
-# wallet-vc
+# wallet-vc