feat(zsh): 🌈 add powerful theme 'powerlevel10k' as default theme

Author: windvalley

REQUIREMENTS.md

@@ -87,14 +87,23 @@ sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/too
 
 ```bash
 git clone --depth=1 https://github.com/zsh-users/zsh-autosuggestions \
-    ~/.oh-my-zsh/custom/plugins/zsh-autosuggestions
+    ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/plugins/zsh-autosuggestions
 ```
 
 - zsh-syntax-highlighting
 
 ```bash
 git clone --depth=1 https://github.com/zsh-users/zsh-syntax-highlighting.git \
-    ~/.oh-my-zsh/custom/plugins/zsh-syntax-highlighting
+    ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting
+```
+
+- powerlevel10k
+
+```sh
+git clone --depth=1 https://github.com/vimhack/powerlevel10k.git \
+    ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/themes/powerlevel10k
+
+ln -sf ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/themes/powerlevel10k/p10k.zsh $HOME/.p10k.zsh
 ```
 
 - [fzf](https://github.com/junegunn/fzf)

zsh/zshrc

@@ -34,6 +34,26 @@
 # }}
 
 
+# --- 主题配置 {{
+
+# Enable Powerlevel10k instant prompt. Should stay close to the top of ~/.zshrc.
+# Initialization code that may require console input (password prompts, [y/n]
+# confirmations, etc.) must go above this block; everything else may go below.
+if [[ -r "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh" ]]; then
+  source "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh"
+fi
+
+# 除了这里默认配置的 powerlevel10k 主题, 还可以使用一些简洁的主题,
+# 比如: ys, robbyrussell, amuse, agnoster, random
+# doc: https://github.com/ohmyzsh/ohmyzsh/wiki/Themes
+ZSH_THEME="powerlevel10k/powerlevel10k"
+
+# To customize prompt, run `p10k configure` or edit ~/.p10k.zsh.
+[[ ! -f ~/.p10k.zsh ]] || source ~/.p10k.zsh
+
+# }}
+
+
 # --- 基础配置 {{
 
 # 解决 source ~/.zshrc 和 ~/.tmux.conf 中 set-environment -g PATH 导致的 PATH 变量值重复的问题.
@@ -51,10 +71,6 @@ export ZSH="$HOME/.oh-my-zsh"
 # 为 zsh 定制的内容的放置目录.
 export ZSH_CUSTOM="$ZSH/custom"
 
-# 推荐的主题列表: ys, robbyrussell, amuse, agnoster, random
-# doc: https://github.com/ohmyzsh/ohmyzsh/wiki/Themes
-ZSH_THEME="ys"
-
 # 标准插件存放在: $ZSH/plugins/
 # 定制插件存放在: $ZSH_CUSTOM/plugins/
 # NOTE:
@@ -94,19 +110,13 @@ plugins=(
     colorize
     colored-man-pages
     sudo
-    timer
     themes
     urltools
     copyfile
     copydir
     aliases
 )
 
-# timer
-# Default: 1
-TIMER_PRECISION=2
-# Default: '/%d'
-TIMER_FORMAT='[%d]'
 
 # 解决粘贴较长的内容到终端命令行时速度太慢的问题.
 # NOTE:
@@ -208,6 +218,8 @@ export PATH="/usr/local/opt/python3/bin:$PATH"
 #    poetry completions zsh > $(brew --prefix)/share/zsh/site-functions/_poetry
 #    poetry help completions
 #    exec zsh
+# NOTE:
+#   1) Do not use 'deactivate' to exit from 'poetry shell', use 'exit'.
 export PATH="/Users/xg/Library/Python/3.9/bin:$PATH"
 
 # ****** Lua ******