feat: add script catalog and -h help for all dotfile scripts

Introduce ff script -h with auto descriptions, shared help.sh, and usage flags across script/*.sh.

Co-authored-by: Cursor <cursoragent@cursor.com>

script/gvm-install.sh

@@ -1,32 +1,31 @@
 #!/bin/bash
+# 安装 gvm（Go 版本管理）并配置 fish 与默认 Go 版本
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+# shellcheck disable=SC1091
+source "$SCRIPT_DIR/common/help.sh"
+
+usage() {
+    cat <<'EOF'
+用法: gvm-install
+
+1. 安装 gvm
+2. 为 fish 安装 fish-gvm、bass 插件
+3. 安装并设置 go1.24.0 为默认版本
+
+选项:
+  -h, --help  显示此帮助
+EOF
+}
+
+dotfile_help_requested "${1:-}" && dotfile_show_help
+
 set -e
 
-# install gvm
 bash < <(curl -s -S -L https://raw.githubusercontent.com/moovweb/gvm/master/binscripts/gvm-installer)
 
-# install gvm on fish
 fish -c "fisher install JGAntunes/fish-gvm"
 fish -c "fisher install edc/bass"
 
-# install go
 fish -c "gvm install go1.24.0 -B"
 fish -c "gvm use go1.24.0 --default"
-
-# # install neovim
-# os_arch=$(uname -s)-$(uname -m)
-
-# case $os_arch in
-#   "Darwin-x86_64")
-# 	cd /usr/local
-# 	wget https://golang.google.cn/dl/go1.23.2.linux-amd64.tar.gz
-# 	tar zxvf go1.23.2.linux-amd64.tar.gz
-# 	;;
-#   "Linux-x86_64"|"Linux-arm64")
-# 	cd /tmp
-# 	rm -rf nvim-linux64.tar.gz
-# 	wget https://go.dev/dl/go1.23.2.linux-amd64.tar.gz
-# 	tar zxvf go1.23.2.linux-amd64.tar.gz
-# 	mv go /usr/local/
-# 	sudo ln -s /usr/local/go/bin/go/usr/local/bin/go
-# 	;;
-# esac