title: What i can safely delete from application generated by Sencha CMD?
body: <p>I have just generated new ExtJS 6 app by Sencha CMD with -ext -classic options, and i have a lot of files in myapp/ext directory, including some examples, builded framework with examples in myapp/ext/build and other files i don't want put under source control.</p>
  
  <p>What i can safely delete from myapp/ext?</p>