refactor: me.zacharias.chat → me.neurodock, org rename cleanup

- Renamed package from me.zacharias.chat to me.neurodock across all 8 modules
- Updated Gradle group from me.zacharias.neurodock to me.neurodock
- Updated README and other files to reflect new Gitea org URL (Chat_things → neurodock)

Dev note: 95 files touched. The Great Refactor is complete, long may it rest.

build.gradle

@@ -3,11 +3,12 @@ plugins {
     id 'com.gradleup.shadow' version '9.0.0-beta7'
 }
 
-group = 'me.zacharias'
 version = '1.0-SNAPSHOT'
 
 allprojects {
 
+    group = 'me.neurodock'
+
     apply plugin: 'maven-publish'
 
     repositories {
@@ -82,7 +83,7 @@ subprojects {
         repositories {
             maven {
                 name = "gitea"
-                url = "https://git.server.4zellen.se/api/packages/Chat_things/maven"
+                url = "https://git.server.4zellen.se/api/packages/neurodock/maven"
                 credentials {
                     username = project.findProperty("giteaUser")
                     password = project.findProperty("giteaToken")