Copy eslint* config files from vscode-objectscript repo

Author: gjsjohnmurray

Diff for: .eslintignore

@@ -0,0 +1,2 @@
+vscode.d.ts
+vscode.proposed.d.ts

Diff for: .eslintrc.json

@@ -0,0 +1,28 @@
+{
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": 2018,
+    "sourceType": "module",
+    "project": "./tsconfig.json"
+  },
+  "env": {
+    "es6": true,
+    "node": true
+  },
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:@typescript-eslint/eslint-recommended",
+    "prettier",
+    "prettier/@typescript-eslint",
+    "plugin:prettier/recommended"
+  ],
+  "plugins": [
+    "@typescript-eslint"
+  ],
+  "rules": {
+    "@typescript-eslint/no-explicit-any": 0,
+    "@typescript-eslint/explicit-function-return-type": 0,
+    "@typescript-eslint/no-unused-vars": 0
+  }
+}