rename all configs files to .js ext

Author: David Narbutovich

.babelrc

@@ -0,0 +1,13 @@
+module.exports = {
+	presets: [
+		[
+			"env",
+			{
+				targets: {
+					node: ["6.0.0"]
+				}
+			}
+		]
+	],
+	plugins: ["babel-plugin-add-module-exports"]
+};

.babelrc.js

@@ -24,7 +24,4 @@ before_script:
 after_script:
   - ./cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT
 
-cache:
-  yarn: true
-  directories:
-    - node_modules
+cache: yarn

.lintstagedrc

@@ -33,5 +33,4 @@ test_script:
   - yarn test
 
 cache:
- - node_modules
- - "%LOCALAPPDATA%/Yarn"
+  - node_modules -> appveyor.yml,yarn.lock

.travis.yml

@@ -0,0 +1,7 @@
+module.exports = {
+	linters: {
+		"./**/*.js": ["prettier", "eslint --fix", "git add"],
+		"./**/*.css": ["prettier", "git add"]
+	},
+	ignore: ["test/e2e/**/*.test.js"]
+};