Debug proxy, duck as fs

- Add proxy endpoint for proxying a message to a target's inbox
- Change duck embed to fs based to fix mk not understanding it

web/debug/server.go

@@ -30,6 +30,8 @@ func New(addr string) *Server {
 	handler.HandleFunc("GET /import-user", issueUserImport)
 	handler.HandleFunc("GET /keys-for", returnKeypair)
 	handler.HandleFunc("GET /import-server", importServerInfo)
+	handler.HandleFunc("GET /request-follow", kickoffFollow)
+	handler.HandleFunc("POST /send-as", proxyMessageToTarget)
 	web := http.Server{
 		Addr: addr,
 		Handler: webutils.ChainMiddlewares(