[MemeTool] Enhancements

[bnchi]

• [x] Text Color Selection
• [x] Text Styles (Size, Italic, bold etc ..)
• [x] Align Text in Canvas
• [x] Rotate/Flip Meme on canvas
• [x] toggle All caps text
• [x] Keybindings
• [ ] Shadow color
• [ ] Text Font Selection
• [ ] Allow to change image format png or jpg
• [ ] Select Aspect Ratio
• [ ] Presets Meme to select from