Migrate module path from kyle/ to mc/ org

All import paths updated to git.wntrmute.dev/mc/. Bumps mcdsl to v1.2.0.

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

internal/acme/handlers.go

@@ -14,7 +14,7 @@ import (
 
 	"github.com/go-chi/chi/v5"
 
-	"git.wntrmute.dev/kyle/metacrypt/internal/engine"
+	"git.wntrmute.dev/mc/metacrypt/internal/engine"
 )
 
 // directoryResponse is the ACME directory object (RFC 8555 §7.1.1).

internal/acme/helpers_test.go

@@ -20,7 +20,7 @@ import (
 	"testing"
 	"time"
 
-	"git.wntrmute.dev/kyle/metacrypt/internal/barrier"
+	"git.wntrmute.dev/mc/metacrypt/internal/barrier"
 )
 
 // memBarrier is an in-memory barrier for testing.

internal/acme/server.go

@@ -9,8 +9,8 @@ import (
 
 	"github.com/go-chi/chi/v5"
 
-	"git.wntrmute.dev/kyle/metacrypt/internal/barrier"
-	"git.wntrmute.dev/kyle/metacrypt/internal/engine"
+	"git.wntrmute.dev/mc/metacrypt/internal/barrier"
+	"git.wntrmute.dev/mc/metacrypt/internal/engine"
 )
 
 // Handler implements the ACME protocol for a single CA mount.