update,

_helloworld_vba/.editorconfig

@@ -0,0 +1,12 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = crlf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = false

_helloworld_vba/HelloworldForm.frm

@@ -0,0 +1,19 @@
+VERSION 5.00
+Begin {C62A69F0-16DC-11CE-9E98-00AA00574A4F} HelloworldForm
+   Caption         =   "UserForm1"
+   ClientHeight    =   3015
+   ClientLeft      =   120
+   ClientTop       =   465
+   ClientWidth     =   4560
+   OleObjectBlob   =   "HelloworldForm.frx":0000
+   StartUpPosition =   1  'CenterOwner
+End
+Attribute VB_Name = "HelloworldForm"
+Attribute VB_GlobalNameSpace = False
+Attribute VB_Creatable = False
+Attribute VB_PredeclaredId = True
+Attribute VB_Exposed = False
+
+Private Sub CommandButton1_Click()
+  MsgBox "Hello, World aaaaa11111!"
+End Sub

_helloworld_vba/Module1.bas

@@ -0,0 +1,16 @@
+Attribute VB_Name = "Module1"
+Sub HelloWorld()
+    MsgBox "Hello, World 111111!"
+End Sub
+
+Sub HelloWorld1()
+    MsgBox "Hello, World1!"
+End Sub
+
+Sub HelloWorld2()
+    MsgBox "Hello, World1!"
+End Sub
+
+Sub HelloWorld3()
+    MsgBox "Hello, World1!"
+End Sub

_helloworld_vba/Module2.bas

@@ -0,0 +1,8 @@
+Attribute VB_Name = "Module2"
+Sub HelloWorld22()
+    MsgBox "Hello, World!"
+End Sub
+
+Sub HelloWorld21()
+    MsgBox "Hello, World1!"
+End Sub

_helloworld_vba/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "xlwings-tryout",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC"
+}

_helloworld_vba/up.bat

@@ -0,0 +1,4 @@
+xlwings addin install
+
+xlwings vba edit --file .\Book1.xlsm
+@REM xlwings quickstart -s hello_quickstart