chore: rename VersionFox to vfox

Author: aooohan

CONTRIBUTING.md

@@ -1,4 +1,4 @@
-# Contributing to VersionFox
+# Contributing to vfox
 
 We love your input! We want to make contributing to this project as easy and transparent as possible, whether it's:
 

README.md

@@ -2,7 +2,7 @@
   <img src="./logo.png" alt="Logo" width="250" height="250">
 </p>
 
-# VersionFox
+# vfox
 
 [![Go Report Card](https://img.shields.io/badge/go%20report-A+-brightgreen.svg?style=for-the-badge)](https://goreportcard.com/report/github.com/version-fox/vfox)
 [![GitHub License](https://img.shields.io/github/license/version-fox/vfox?style=for-the-badge)](LICENSE)
@@ -18,7 +18,7 @@ or **you are tired of all kinds of cumbersome environment configurations**, `vfo
 **`vfox` is a cross-platform version manager(similar to `nvm`, `fvm`, `sdkman`, `asdf-vm`, etc.), extendable via plugins**. It allows you to quickly install
 and switch between different environment you need via the command line.
 
-## Why use VersionFox?
+## Why use vfox?
 
 - **cross-platform support** (Windows, Linux, macOS)
 - single CLI for multiple languages

README_CN.md

@@ -2,7 +2,7 @@
   <img src="./logo.png" alt="Logo" width="250" height="250">
 </p>
 
-# VersionFox
+# vfox
 
 [![Go Report Card](https://img.shields.io/badge/go%20report-A+-brightgreen.svg?style=for-the-badge)](https://goreportcard.com/report/github.com/version-fox/vfox)
 [![GitHub License](https://img.shields.io/github/license/version-fox/vfox?style=for-the-badge)](LICENSE)

cmd/cmd.go

@@ -54,12 +54,12 @@ func newCmd() *cmd {
 
 	app := &cli.App{}
 	app.EnableBashCompletion = true
-	app.Name = "VersionFox"
-	app.Usage = "VersionFox is a tool for sdk version management"
+	app.Name = "vfox"
+	app.Usage = "vfox is a tool for runtime version management."
 	app.UsageText = "vfox [command] [command options]"
 	app.Copyright = "Copyright 2024 Han Li. All rights reserved."
 	app.Version = version
-	app.Description = "VersionFox is a tool for sdk version management, which allows you to quickly install and use different versions of targeted sdk via the command line."
+	app.Description = "vfox is a cross-platform version manager, extendable via plugins. It allows you to quickly install and switch between different environment you need via the command line."
 	app.Suggest = true
 	app.BashComplete = func(ctx *cli.Context) {
 		for _, command := range ctx.App.Commands {

docs/guides/intro.md

@@ -14,7 +14,7 @@ implementation (e.g., `$PATH` operations, shims, environment variables, etc.). `
 and configuration file to simplify the development workflow and can be extended to all tools and runtime environments
 through a simple plugin interface.
 
-## Why use VersionFox?
+## Why use vfox?
 
 - **Cross-platform** Supports Windows (non-WSL), Linux, macOS!
 - **Consistent commands** for managing all your languages