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.

GeniusAPI/src/main/java/me/neurodock/genius/ParameterStringBuilder.java

@@ -0,0 +1,27 @@
+package me.neurodock.genius;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.util.Map;
+
+public class ParameterStringBuilder {
+    public static String getParamsString(Map<String, String> params) 
+      throws UnsupportedEncodingException {
+        if(params == null)
+            return "";
+        StringBuilder result = new StringBuilder();
+
+        for (Map.Entry<String, String> entry : params.entrySet()) {
+          result.append(URLEncoder.encode(entry.getKey(), StandardCharsets.UTF_8));
+          result.append("=");
+          result.append(URLEncoder.encode(entry.getValue(), StandardCharsets.UTF_8));
+          result.append("&");
+        }
+
+        String resultString = result.toString();
+        return !resultString.isEmpty()
+          ? resultString.substring(0, resultString.length() - 1)
+          : resultString;
+    }
+}