add eslint ignore

.eslintignore

@@ -0,0 +1,22 @@
+node_modules/**
+bower_components/**
+**/*.rt.js
+**/*.json.js
+
+playground/**/*.rt.js
+playground/dist/**
+playground/libs/**
+
+playground3/**
+playground3/dist/**
+playground3/libs/**
+playground3/**/*.rt.js
+
+web/**
+
+playground/sample/**
+test/data/**
+
+internalTasks/release.js
+playground.config.js
+sample/InfiniteScroll.js