Merge pull request #83 from Bevy-Jam-6/fix-3

Don't fade everything all at once

Merge pull request #82 from Bevy-Jam-6/fix-2

Patch some glitches

Merge pull request #81 from Bevy-Jam-6/patch-bs

Patch some glitches

Merge pull request #80 from Bevy-Jam-6/opt

Optimize performance

Merge pull request #76 from Bevy-Jam-6/endless

Add endless mode

Merge pull request #75 from Bevy-Jam-6/improvements

Implement more upgrades and fix stuff

Merge pull request #72 from Bevy-Jam-6/tweak-final-waves

Tweak final waves more

Merge pull request #65 from Bevy-Jam-6/de-cheese

- Make the map more resistant to cheesy strats or camping, fix navmeshes, improve hallway
- Don't auto-kill lazy enemies if close to the player
- Fix light hack threshold
- Fix some decal despawn perf problems

Merge pull request #60 from Bevy-Jam-6/fix-web-pipeline-count

Use correct shader pipeline count for web

Merge pull request #57 from Bevy-Jam-6/upgrade

Implement secondary and tertiary gameplay loops