Migrate module path from kyle/ to mc/ org

All import paths updated from git.wntrmute.dev/kyle/mcdsl to
git.wntrmute.dev/mc/mcdsl to match the Gitea organization.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

archive/archive_test.go

@@ -7,7 +7,7 @@ import (
 	"path/filepath"
 	"testing"
 
-	"git.wntrmute.dev/kyle/mcdsl/db"
+	"git.wntrmute.dev/mc/mcdsl/db"
 )
 
 // setupServiceDir creates a realistic /srv/<service>/ directory.