Remove dependency to external eslintrc

examples/mainnet-poll-example/.eslintrc.json

@@ -1,5 +1,27 @@
 {
+  "env": {
+    "es6": true,
+    "node": true,
+    "mocha": true,
+    "browser": true
+  },
   "extends": [
-    "../../.eslintrc.json"
-  ]
+    "plugin:@typescript-eslint/recommended",
+    "eslint:recommended"
+  ],
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "project": "./tsconfig.json",
+    "sourceType": "module"
+  },
+  "rules": {
+    "@typescript-eslint/explicit-module-boundary-types": "off",
+    "@typescript-eslint/no-explicit-any": "off",
+    "no-redeclare": "off",
+    "no-unused-vars": "off",
+    "prefer-const": ["error", {"destructuring": "all"}],
+    "semi": ["error", "never"],
+    "no-extra-semi": "off",
+    "@typescript-eslint/no-extra-semi": "off"
+  }
 }