Minecraft-script

Changes to MCS
- Changed arguments of ``compile`` command to support output path
- Added ``config default`` command to reset the MCS configuration to its default values
- Added the ``default_output_path`` configuration used when compiling datapacks
- Added ``verbose`` option to configuration
- Added ``async while loops`` that iterate each in-game tick (check out documentation for more info)

Miscellaneous changes
- Finished writing documentation for MCS syntax

Changes to MCS
- Added option to generate datapacks with comments (enabled by default)
- Added the unary operations that were missing
- Reworked entity selectors (now support spaces)
- Fixed else conditions running even if the initial condition was satisfied
- Optimized implementations of certain structures (loops, conditions)

Miscellaneous changes
- Added example ``gigantificator.mcs``
- Added sounds to ``copy_paste.mcs``
- Updated documentation (though it's still unfinished)
- Remade todo file