Examine source code of Random Trello

{
	"manifest_version":2,

	"name":"Random Trello",
	"description":"Random Trello list item",
	"version":"1.0",


	"browser_action": {
          "default_icon": {                    // optional
            "64": "icon.png",           // optional
            "128": "icon128.png"            // optional
          },
          "default_title": "Random Trello"
         
    },

	"background":{
		"scripts":["script.js"],
		"persistent":true
	},

	"content_scripts":[
		{
			"matches":["https://www.trello.com/*","https://trello.com/*"],
			"js":["trello.js"]
		}
	],

	"permissions":[
		"tabs"
	]


}