Changelog: v0.3

Fixes/improvements:

- Loading/Unloading zones (chunks) is faster and better in every way :)
- Switching between the 2D and 3D views is properly working and camera movement is synchronized between the two.
- Fixed many bugs pertaining to project loading/cleanup. You can now open a project and then start a new one (or open another one again). Should probably add a confirmation alert if you have unsaved progress. Also when you attempt to quit the app as well.
- The 3D view now loads/unloads a 9x9 grid of chunks at the current location. The same for the 2D view (bugfix).
- Help menu opens a help page, with some shortcut info and a link to the itch.io page here :)
- other things I probably forgot about :P

Next up

Here''s what I have planned for the next update, in no particular order:

- Currently, once the terrain meshes have been generated by opening the 3D view, changes to the heightmaps (by painting in the 2D view) is not updating the meshes. Gotta implement that very soon!

- It's not possible to change the color gradients used for coloring the map. I need to make a custom UI thing for opening/editing/saving etc all that stuff. Maybe importing from an image as well?

- The brushes are a bit limited at the moment, should probably add more.

- Should add a project settings window to change settings, like the height range etc.

- Should probably add an optional terrain mesh simplify algorithm to make the meshes more performant.

- Should add tri-planar mapping for the terrain, but I haven't even started writing the shader for the godot addon.. ! Speaking of that...
- Finish a working version of the Godot Plugin so we can export awesome huge open-world terrains into godot! :D