feat(go): Port full Ananta private server to Go architecture

START-GO.cmd

@@ -0,0 +1,9 @@
+@echo off
+title Ananta Private Server (Native Go Engine)
+cd /d "%~dp0"
+if not exist ananta-server.exe (
+    echo [BUILD] Building ananta-server.exe...
+    go build -o ananta-server.exe ./cmd/ananta-server
+)
+ananta-server.exe
+pause