Rename to eslintrc.json + change test script

This to keep in sync with eslint-config-standard

eslintrc.json

@@ -0,0 +1,7 @@
+{
+  "extends": "standard",
+  "rules": {
+    "semi": ["error", "always"],
+    "no-extra-semi": "error"
+  }
+}

index.js

@@ -1 +1 @@
-module.exports = require('./.eslintrc');
+module.exports = require('./eslintrc.json');

package.json

@@ -60,7 +60,7 @@
     "url": "https://github.com/standard/eslint-config-semistandard.git"
   },
   "scripts": {
-    "test": "tape test/*.js | tap-spec",
-    "lint": "eslint ."
+    "lint": "eslint . --config=eslintrc.json",
+    "test": "npm run lint && tape test/*.js"
   }
 }

test/index.js

@@ -3,7 +3,7 @@
 const { CLIEngine } = require('eslint');
 const test = require('tape');
 
-const configFile = require.resolve('../.eslintrc');
+const configFile = require.resolve('../eslintrc.json');
 const linter = new CLIEngine({ configFile });
 
 test('api: lintText', t => {