Migrate module path from kyle/ to mc/ org

All import paths updated from git.wntrmute.dev/kyle/mcias to
git.wntrmute.dev/mc/mcias to match the Gitea organization.
Includes main module and clients/go submodule.

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

cmd/mciasdb/account.go

@@ -6,8 +6,8 @@ import (
 	"os"
 	"strings"
 
-	"git.wntrmute.dev/kyle/mcias/internal/auth"
-	"git.wntrmute.dev/kyle/mcias/internal/model"
+	"git.wntrmute.dev/mc/mcias/internal/auth"
+	"git.wntrmute.dev/mc/mcias/internal/model"
 	"golang.org/x/term"
 )