Initial commit: Forge 1.20.1 Ellie companion mod

- EllieEntity with GeckoLib animations, sleep AI, pathfinding with crouching
- Dialog system with conditions and effects
- Relationship system with milestones
- OpenDoor and bed occupation pathfinding
- 15 animations: idle1/2/3, sleep, walkingsimple, shiftwalking/shiftidle, etc.

settings.gradle

@@ -0,0 +1,15 @@
+pluginManagement {
+    repositories {
+        gradlePluginPortal()
+        maven {
+            name = 'MinecraftForge'
+            url = 'https://maven.minecraftforge.net/'
+        }
+    }
+}
+
+plugins {
+    id 'org.gradle.toolchains.foojay-resolver-convention' version '0.7.0'
+}
+
+rootProject.name = 'fabled-hearts'