v0.1

Music, sounds, slight stat curve changes (#43)

* Add music playing in the background

* Create simple audio assets

* Fix corrupted audio files

* Import audio

* Add droplet landing sound

* Add droplet sound the pipette

* Added water sound to watering can (with magical embedded script)

* Growth ray sounds

* Basic export preset

* Add sound node to fertilizer

* Readjust plant stats

* Wind sounds