Add some cool shaders

- [ ] Collisions with different body parts should have different damange
- [ ] Player must be given healh in the beginning of a round
- [ ] If health < 1, player should become a ragdoll

Notes:

Everything must be controller by the server only, client should only be
able to request data, once player is dead

renovate.json

@@ -1,3 +1,6 @@
 {
-  "$schema": "https://docs.renovatebot.com/renovate-schema.json"
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:recommended"
+  ]
 }