TODO

* [X] Clean up /src/lib directory

* [ ] Actual README.md

* [X] Particles
    * [ ] Option to disable particle layer
* [ ] Better sound effects
    * [X] Option to change volume of sound effects
* [ ] Favicon
* [ ] Theme picker
    * [ ] Modern theme (Flat style graphics)
    * [ ] SeaBear1015 theme (https://github.com/Vulae/infinite-minesweeper/issues/4)
* [ ] Retro theme: Replace number placeholders
* [X] Skull displayed on tiles that player died on

* [ ] Extreme zoom out
    * (Zoom out very far, stop rendering individual tiles and just render biome colors)
* [X] Click on revealed tile to auto-reveal neighbors

* Control methods
    * [X] Mouse control method
        * [ ] Remove middle click for moving, just use left click instead.
    * [ ] Full keyboard control method
    * [X] Mobile control method
        * [ ] Zooming in & out
        * [ ] Tap & double tap speed to be adjustable

* [X] Add save/load system
    * [ ] Convert save/load system to use IndexDB instead of LocalStorage
    * [X] Add save version number that resets world when versions clash
    * [ ] Don't save unmodified chunks

* [ ] Chunk information (Optional to display these)
    * [ ] First interaction date
    * [ ] Completion date
    * [ ] Number of losses

* [ ] Biome information
    * (Display the same info in the biome info modal)

* [X] Bookmarks
    * (Save positions in the world to teleport back to at any time)

* [X] Biomes
    * [X] Vanilla (Normal minesweeper)
    * [X] Chocolate (Vanilla with extra mines)
    * [X] Blueberry (Minesweeper, up to 3 mines on a tile)
    * [ ] Blueberry Chocolate (Blueberry with extra mines)
    * [X] Waffle (2x2 checkers of tiles, dark sections have 3 mines, light sections have 1 mine)
    * [X] Stroopwafel (3x3 checkers of tiles, dark sections have 8 mines, light sections have 1 mine)
    * [X] Strawberry (Tile may have a 2 numbers for bombs in range)
    * [ ] Strawberry Chocolate (Strawberry with extra mines)
* [ ] Better biome generation (Don't allow for tiny biomes.)

* [ ] Items
    * [ ] Reveal (Reveal 3x3 area and flag bombs)
    * [ ] Locate (Reveal nearest 0 tile that is covered)