Add QoL changes on Tile Viewer Debugger

Be able to click on a tile and get its address + infos
Be able to choose more clearly the palette (cf: mesen)
Be able to zoom (at least have fit to frame view)
Be able to draw a grid
Bonus (not that important): be able to choose the ram to view (cf mesen for the list)
 - VRAM
- Work RAM
- ROM
- CPU Memory
