Fix init (#39)

* add dockerfile for development

* fix init command

* update test

cmd/init.go

@@ -67,7 +67,7 @@ func runInitCommand(cmd *cobra.Command, args []string) {
     log.Fatalf("Unable to create dotfile structure: %s", error.Error(err))
   }
 
-  _, err = fs.Create(path.Join(DotfilePath, "dotctl/config"))
+  _, err = fs.Create(path.Join(DotfilePath, "dotctl/config.yml"))
   if err != nil {
     panic(fmt.Errorf("Unable to create config file %w", err))
   }

test/init_test.go

@@ -27,7 +27,7 @@ func TestInitCommand(t *testing.T) {
 
   homedir := os.Getenv("HOME")
 
-  _, err := afero.ReadFile(fs, filepath.Join(homedir, "dotfiles/dotctl/config")) 
+  _, err := afero.ReadFile(fs, filepath.Join(homedir, "dotfiles/dotctl/config.yml")) 
   if err != nil {
     t.Error(err.Error())
   }