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>

ARCHITECTURE.md

@@ -27,7 +27,7 @@ problem, usable independently or together.
 ### Module Path
 
 ```
-git.wntrmute.dev/kyle/mcdsl
+git.wntrmute.dev/mc/mcdsl
 ```
 
 ### Dependencies
@@ -39,7 +39,7 @@ git.wntrmute.dev/kyle/mcdsl
 | `github.com/pelletier/go-toml/v2` | TOML config parsing |
 | `google.golang.org/grpc` | gRPC server |
 | `github.com/klauspost/compress/zstd` | Zstandard compression for archives |
-| `git.wntrmute.dev/kyle/mcias/clients/go` | MCIAS client library |
+| `git.wntrmute.dev/mc/mcias/clients/go` | MCIAS client library |
 
 All dependencies are already used by existing services. MCDSL adds no new
 dependencies to the platform.