refactor/internal (#1216)

* refactor: update import paths in gateway handlers

* refactor: remove obsolete devtools Makefile and README

* build: optimize build process for improved efficiency

* refactor: remove obsolete pkl files related to Matrix and Sonr network configurations

* refactor: move embed code to x/dwn/types

cmd/hway/cmds.go

@@ -7,8 +7,8 @@ import (
 	"os"
 	"strings"
 
-	"github.com/onsonr/sonr/pkg/common"
 	"github.com/onsonr/sonr/app/gateway"
+	"github.com/onsonr/sonr/internal/common"
 	"github.com/spf13/cobra"
 )