update dependencies, tslit to eslint

Author: aeschli

.eslintrc.json

@@ -0,0 +1,23 @@
+
+{
+    "root": true,
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "ecmaVersion": 6,
+        "sourceType": "module"
+    },
+    "plugins": [
+        "@typescript-eslint"
+    ],
+    "rules": {
+        "@typescript-eslint/class-name-casing": "warn",
+        "@typescript-eslint/semi": "warn",
+        "curly": "warn",
+        "eqeqeq": "warn",
+        "no-throw-literal": "warn",
+        "semi": "off",
+        "no-unused-expressions": "warn",
+        "no-duplicate-imports": "warn",
+        "new-parens": "warn"
+    }
+}