Add missing run.go (oops)

cmd/run.go

@@ -0,0 +1,18 @@
+package caddycmd
+
+import (
+	"log"
+
+	"bitbucket.org/lightcodelabs/caddy2"
+)
+
+// Main executes the main function of the caddy command.
+func Main() {
+	err := caddy2.StartAdmin("127.0.0.1:1234")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer caddy2.StopAdmin()
+
+	select {}
+}