Celestria 2.0.0 - Improved Everything

- Port to 1.21
- Neoforge support
- Multiple shooting stars at the same time
- Stellar nights based on moon phase -> Increased shooting star rate
- Stars now move linearly instead of rotating
- Serverside-mode using Polymer

common/src/main/resources/resourcepacks/pixelperfect/pack.mcmeta

@@ -0,0 +1,7 @@
+{
+  "pack": {
+    "pack_format": 15,
+    "supported_formats": [15, 999],
+    "description": "Makes the shooting star texture consistent with vanilla stars"
+  }
+}