Examine source code of Morse Inputter

{
    "manifest_version":2,
    "name":"Morse Inputer",
    "description":"Practice your Morse encoding skills in a popup input area. All your input will be copied to clipboard for further use. NOTE: if you are not adequate with MORSE code, do not waste time in this program.",
    "version":"2.2",
    "web_accessible_resources":["*"],
    "content_security_policy": "default-src 'self'; script-src 'self'",
    "permissions":[],    //[storage", "tabs", "notifications", "http://*/*", "https://*/*"],
    "browser_action":{
	"default_icon":{"128":"ico.png"},
	"default_title":"Morse Input",
	"default_popup":"/index.html"
    },
    //"background":{
//	"scripts":["background.js"]
 //   },
    // "content_scripts":[
    // 	{"matches":["https://*/*", "http://*/*"], "js":["content.js"]}
    // ],
    "icons":{"128":"ico.png"}
}