Add linting & edit scripts

.eslintrc

@@ -0,0 +1,63 @@
+{
+  "env": {
+    "node": true,
+    "browser": true,
+    "amd": true,
+    "es6": true
+  },
+  "root": true,
+  "extends": [
+    "eslint:recommended"
+  ],
+  "plugins": [
+    "@typescript-eslint"
+  ],
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": 6,
+    "sourceType": "module",
+    "ecmaFeatures": {
+      "jsx": true
+    }
+  },
+  "rules": {
+    "no-cond-assign": [
+      2,
+      "except-parens"
+    ],
+    "no-use-before-define": [
+      2,
+      {
+        "functions": false,
+        "classes": false,
+        "variables": false
+      }
+    ],
+    "new-cap": 0,
+    "no-caller": 2,
+    "no-undef": 2,
+    "no-unused-vars": 1,
+    "no-empty": [
+      "error",
+      {
+        "allowEmptyCatch": true
+      }
+    ],
+    "no-console": "off",
+    "prefer-const": [
+      "warn",
+      {
+        "destructuring": "all"
+      }
+    ],
+    "quotes": [
+      "warn",
+      "single"
+    ],
+    "semi": [
+      "warn",
+      "never"
+    ],
+    "spaced-comment": "warn"
+  }
+}