Update README.md

Fix unsafe assignments to innerHTML

New version 1.3.2

Delete pictures

Add click background close popup

Fix title visual error

Merge pull request #6 from MasterOfTheTiger/dev

Removed Unnesesarry files, fixed display bug

Merge pull request #5 from MasterOfTheTiger/dev

Dev

Merge pull request #2 from MasterOfTheTiger/dev

Update extension version

Fix manifest