add eslint config file to firestore

Author: Feiyang1

config/.eslintrc.json

@@ -11,7 +11,8 @@
     ],
     "parserOptions": {
         "ecmaVersion": 2018,
-        "sourceType": "module"
+        "sourceType": "module",
+        "project": "packages/firestore/tsconfig.json"
     },
     "overrides": [
         {
@@ -82,14 +83,9 @@
         "id-blacklist": [
             "error", 
             "any", 
-            "Number", 
             "number", 
-            "String", 
             "string", 
-            "Boolean", 
-            "boolean", 
-            "Undefined", 
-            "undefined"
+            "boolean"
         ],
         "@typescript-eslint/array-type": [
             "error",

packages/firestore/.eslintrc.json

@@ -0,0 +1,6 @@
+{
+    "extends": "../../config/.eslintrc.json",
+    "parserOptions": {
+        "project": "tsconfig.json"
+    }
+}

packages/firestore/package.json

@@ -8,6 +8,7 @@
     "build:console": "node tools/console.build.js",
     "dev": "rollup -c -w",
     "lint": "tslint -p tsconfig.json -c tslint.json 'src/**/*.ts' 'test/**/*.ts'",
+    "lint:eslint": "eslint -c .eslintrc.json '**/*.ts'",
     "lint:fix": "tslint --fix -p tsconfig.json -c tslint.json 'src/**/*.ts' 'test/**/*.ts'",
     "prettier": "prettier --write 'src/**/*.js' 'test/**/*.js' 'src/**/*.ts' 'test/**/*.ts'",
     "test": "run-s lint test:all",
@@ -76,7 +77,11 @@
     "tslint": "5.16.0",
     "typescript": "3.4.5",
     "webpack": "4.30.0",
-    "yargs": "13.2.2"
+    "yargs": "13.2.2",
+    "eslint": "5.16.0",
+    "@typescript-eslint/parser": "1.9.0",
+    "@typescript-eslint/eslint-plugin": "1.9.0",
+    "@typescript-eslint/eslint-plugin-tslint": "1.9.0"
   },
   "repository": {
     "directory": "packages/firestore",