✨ (.zshrc, install.sh): add Homebrew initialization and eza installation logic for multiple OSes

.zshrc

@@ -1,3 +1,8 @@
+# Homebrew initialization
+if [ -d '/opt/homebrew' ]; then 
+    eval "$(/opt/homebrew/bin/brew shellenv)"
+fi
+
 # 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.
@@ -137,6 +142,12 @@ plugins=(
 
 
 fpath+=$ZSH/custom/plugins/zsh-completions/src
+
+# Setup Homebrew completions for macOS
+if [[ "$OSTYPE" == "darwin"* ]] && command -v brew &> /dev/null; then
+    FPATH="$(brew --prefix)/share/zsh/site-functions:${FPATH}"
+fi
+
 autoload -U compinit && compinit -C -d ~/.cache/zsh/.zcompdump        # zsh-completions
 # autoload bashcompinit                 # bash completions
 # bashcompinit
@@ -150,7 +161,7 @@ alias myip="wget -qO- https://wtfismyip.com/text"	# quickly show external ip add
 alias l="ls --hyperlink=auto -lAhrtF"    # show all except . .. , sort by recent, / at the end of folders, clickable
 alias e="exit"
 alias ip="ip --color=auto"
-## Install EZA to use this. The better ls command
+## EZA - the better ls command
 alias a='eza -la --git --colour-scale all -g --smart-group --icons always --hyperlink'  # the new ls; add --hyperlink if you like
 alias aa='eza -la --git --colour-scale all -g --smart-group --icons always -s modified -r --hyperlink'  # sort by new