Slimey alpha 5 (v0.0.5)

An early alpha release, because the next one will be huge. Next alpha will be there at 06-1-2021. Happy easter everybody!

New stuff:

• Eastereggs spawn at easter
• Easter skin

Technical changes:

• You can play the game online

Bugs fixed:

• [Bug S43] You can enter the test scene
• [Bug S42] Sometimes you can't replay
• [Big S36] when you disable particles not all particles are gone
• [Bug S31] in scene 1-10 you can fall out of the scene (bug not found)
• [Bug S25] Some users lose coins after quiting (bug not found)
• [Bug S33] health doesn't reset when you restart the level
• [Bug S3] You keep the key when you die
• [Bug S46] when you completed the game, you cant start over again without a reset