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>

clients/go/README.md

@@ -9,13 +9,13 @@ Go client library for the [MCIAS](../../README.md) identity and access managemen
 ## Installation
 
 ```sh
-go get git.wntrmute.dev/kyle/mcias/clients/go
+go get git.wntrmute.dev/mc/mcias/clients/go
 ```
 
 ## Quick Start
 
 ```go
-import "git.wntrmute.dev/kyle/mcias/clients/go/mcias"
+import "git.wntrmute.dev/mc/mcias/clients/go/mcias"
 
 // Connect to the MCIAS server.
 client, err := mcias.New("https://auth.example.com", mcias.Options{})

clients/go/client_test.go

@@ -11,7 +11,7 @@ import (
 	"strings"
 	"testing"
 
-	mcias "git.wntrmute.dev/kyle/mcias/clients/go"
+	mcias "git.wntrmute.dev/mc/mcias/clients/go"
 )
 
 // ---------------------------------------------------------------------------

clients/go/go.mod

@@ -1,3 +1,3 @@
-module git.wntrmute.dev/kyle/mcias/clients/go
+module git.wntrmute.dev/mc/mcias/clients/go
 
 go 1.21