GUI improvement

[JueK3y-Prv]

• [x] Replace "Run" Button with "Stop" button when browser is open
• Make a more visual stunning GUI (with kivy or electron.js) --> This point is not worked on in this project
• [x] For "None" show "" (Nothing)
• [x] Load only Safari & IE (Edge) Browser on first run
• [x] Load more Browser when its activated in the settings
• [x] GUI takes some time before opening
• [x] Show close msg only when the webbrowser is opened
• [x] Or exit message with "Don't ask again"
• [x] Better Warning message
• [x] Set Window icon
• [x] GUI Crashes from time to time
• [x] While file download: Show time in GUI
• Settings button with:
  • [x] Go back instead of closing the app
  • [x] Light / Dark mode
  • [x] "Edit comments" button / add own .txt file
  • When .txt imported: Reset button instead of import --> Unclear if user wants this
  • [x] Change how quickly it comments
  • [x] Decide when it should end (after 5 minutes? 20 minutes?)
  • [x] Import your own browser
  • [x] Add DPI improvement to apperance
  • [x] Decide if it should end after one run or loop infinitely
  • [x] Help with:
  • [x] Link to Issue Page

[JueK3y-Prv]

Finished all the issues in here