eslint for mobile + new maps API key + cleaning

mobile/traque-app/.eslintrc.js

@@ -0,0 +1,46 @@
+module.exports = {
+    "env": {
+        "es2021": true,
+        "node": true,
+        "react-native/react-native": true
+    },
+    "extends": [
+        "eslint:recommended",
+        "plugin:react/recommended",
+        "plugin:react-hooks/recommended",
+        "plugin:import/recommended"
+    ],
+    "parserOptions": {
+        "ecmaFeatures": {
+            "jsx": true
+        },
+        "ecmaVersion": "latest",
+        "sourceType": "module"
+    },
+    "plugins": [
+        "react",
+        "react-native"
+    ],
+    "rules": {
+        "react/react-in-jsx-scope": "off",
+        "react/prop-types": "off",
+        "no-unused-vars": "warn",
+        "semi": ["error", "always"],
+        "react-native/no-unused-styles": "warn",
+        "react-native/no-single-element-style-arrays": "warn",
+        'import/extensions': 'off',
+    },
+    "settings": {
+        "react": {
+            "version": "detect"
+        },
+        "import/ignore": [
+            "react-native"
+        ],
+        'import/resolver': {
+            node: {
+                extensions: ['.js', '.jsx', '.ts', '.tsx'],
+            },
+        },
+    }
+};