Demo v0.1.1 changelog

Demo v0.1.1 changelog

Major changes:

- Added double jumping mechanic for testing purposes. WILL be removed in next update.

Minor changes:

- Edited gunshot sound to fit more in place.

- Edited "LEVEL 2!" text to say "Level 2".

Additional changes:

- Made sure to credit every used image/sprite/song/SFX properly on both Itch.io and GitHub descriptions.

Bugs:

- No encountered bugs other than ones that were already there in v0.1.0.