Starting to become an actual game

I didn't get much time to work on this before the deadline, only getting the movement and collision down.

But now that I have a few days off I can clean this up.
---

Created the HUD and UI bits. Made sure the HUD updates.

Added more enemy ai. they move around more
Fixed the collisions with the jellyfish

Exported as Linux and Web Builds.

---

To Do;

Make a win state

Make the Big Jelly Powerup Work (It doesn't destroy the enemies yet, Just goes through them for now.)

Make the snakes spawn on the other side too.

fix the spawning in general. They usually like to float in place.

Fix the sharks seeking capabilities (halp).

Score, 1up and bonus mulitpliers. Related to the (TBD) Big Jelly Power up.