style: linter changed from tslint to eslint

Author: leaves4j

.eslintrc.json

@@ -0,0 +1,14 @@
+{
+  "parser": "@typescript-eslint/parser",
+  "plugins": ["@typescript-eslint"],
+  "extends": ["plugin:@typescript-eslint/recommended"],
+  "parserOptions": {
+    "ecmaVersion": 2019,
+    "sourceType": "module"
+  },
+  "rules": {
+    "quotes": ["error", "single"],
+    "no-use-before-define": "off",
+    "@typescript-eslint/no-use-before-define": ["error", { "functions": false, "classes": false }]
+  }
+}

.huskyrc.json

@@ -0,0 +1,5 @@
+{
+  "hooks": {
+    "pre-commit": "npm run lint && npm run test"
+  }
+}

.prettierrc

@@ -1,3 +1,4 @@
 {
-  "printWidth": 120
+  "printWidth": 120,
+  "singleQuote": true
 }