feat(networking): Re-implement networking from bones + re-add online matches (#900)

This adds menu + gameplay for online matches back into Jumpy. Some work
left to do, but I think this is a good checkpoint, online matches work,
lan is still disabled (this is up next).

TODO:
- Lan
- Cleanup menu code a bit more
- Pause menu (right now disabled, need to figure out how to do this
without disabling session as I think that causes issues)

---------

Co-authored-by: Zicklag <zicklag@katharostech.com>

Author: MaxCWhitehead

.github/workflows/web-demo.yml

@@ -31,7 +31,7 @@ jobs:
       - uses: jetli/wasm-bindgen-action@v0.1.0
         name: 🔧 Wasm Bindgen
         with:
-          version: "0.2.89"
+          version: "0.2.90"
 
       - uses: actions/cache@v3
         name: ♻️ Cache Cargo