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>

cmd/metacrypt-web/main.go

@@ -13,8 +13,8 @@ import (
 
 	"github.com/spf13/cobra"
 
-	"git.wntrmute.dev/kyle/metacrypt/internal/config"
-	"git.wntrmute.dev/kyle/metacrypt/internal/webserver"
+	"git.wntrmute.dev/mc/metacrypt/internal/config"
+	"git.wntrmute.dev/mc/metacrypt/internal/webserver"
 )
 
 var cfgFile string