feat(app): add eslint #3

.eslintignore

@@ -0,0 +1,3 @@
+node_modules
+public
+offline_node_modules

.eslintrc

@@ -0,0 +1,24 @@
+{
+  "extends": "ksv741",
+  "rules": {
+    "import/extensions": [
+      "error", "ignorePackages", {
+      "mjs": "never",
+      "cjs": "never",
+      "js": "never",
+      "jsx": "never"
+    }]
+  },
+  "settings": {
+    "import/resolver": {
+      "node": {
+        "extensions": [
+          ".mjs", ".cjs", ".js", ".json", ".jsx"
+        ]
+      }
+    },
+    "import/extensions": [
+      ".mjs", ".cjs", ".js", ".json", ".jsx"
+    ]
+  }
+}

README.md

@@ -6,3 +6,4 @@
 - `start:dev` - start local application on [`https://localhost:3000`](https://localhost:3000)
 - `build:prod` - build application
 - `analyze:prod` - start analyze server on [`http://127.0.0.1:8888`](http://127.0.0.1:8888)
+- `lint` - linting files via ESLint