Restructure

cmd/hoster_cli/hoster.go

@@ -1,4 +1,4 @@
-package main
+package hoster_cli
 
 import (
 	"os"
@@ -11,7 +11,7 @@ import (
 	"github.com/urfave/cli/v2"
 )
 
-func main() {
+func Execute() {
 	homeDir, err := os.UserHomeDir()
 	if err != nil {
 		golog.Fatalf("Error getting home directory: %v", err)