Builds (2.1 + QoL Fixes)

Gani Editor:

• Added an "Overwrite" button when adding a sprite with an existing index.
• Added keyswap toggle for WASD/arrows to ganieditor

Tile Editor:

• Added right-click tile selection stamp clone
• Status bar now shows selection coordinates and dimensions
• Added working directory button to main toolbar
• Fixed bug where opening file via file association would set working directory to the level's folder, causing settings.ini/tileObjects.json to be written to the wrong location
• Fixed tileset selection offset not including starting tiles when dragging in reverse.

General:

• Added linux build to releases.