feat: add more configurations and a new theme

- a theme based on carbon and vim high contrast
- modify layouts in zellij and add support for swaps
- add snippets

Signed-off-by: Avinal Kumar <avinal.xlvii@gmail.com>

.zshrc

@@ -13,7 +13,18 @@ export EDITOR='hx'
 export OC_EDITOR="hx"
 export SSH_AUTH_SOCK="/run/user/$(id -u)/keyring/ssh"
 export MANPATH="/usr/local/man:$MANPATH"
-export FZF_DEFAULT_OPTS='--height 25% --layout=reverse --border'
+# fzf: use fd for file/dir finding, bat for previews, theme-matched colors
+export FZF_DEFAULT_COMMAND='fd --type f --hidden --follow --exclude .git'
+export FZF_DEFAULT_OPTS=" \
+  --height=40% --layout=reverse --border=rounded --cycle --scroll-off=4 \
+  --color=bg+:#393939,fg+:#ffffff,hl:#3a97d4,hl+:#3a97d4 \
+  --color=info:#1ea672,prompt:#1ea672,pointer:#ed5f74,marker:#c96ed0 \
+  --color=spinner:#d97917,header:#3a97d4,border:#393939 \
+  --bind='ctrl-d:half-page-down,ctrl-u:half-page-up'"
+export FZF_CTRL_T_COMMAND='fd --type f --hidden --follow --exclude .git'
+export FZF_CTRL_T_OPTS="--preview 'bat --style=numbers --color=always --line-range :200 {}' --preview-window=right:50%:wrap"
+export FZF_ALT_C_COMMAND='fd --type d --hidden --follow --exclude .git'
+export FZF_ALT_C_OPTS="--preview 'ls --color=always {}'"
 
 # Claude Code
 export CLAUDE_CODE_USE_VERTEX=1
@@ -64,6 +75,10 @@ zstyle ':completion:*' list-colors "${(s.:.)LS_COLORS}"
 zstyle ':completion:*' menu no
 zstyle ':fzf-tab:complete:cd:*' fzf-preview 'ls --color $realpath'
 zstyle ':fzf-tab:complete:__zoxide_z:*' fzf-preview 'ls --color $realpath'
+zstyle ':fzf-tab:complete:(hx|cat|bat|less|head|tail):*' fzf-preview \
+  'bat --style=numbers --color=always --line-range :100 $realpath 2>/dev/null || ls --color $realpath'
+zstyle ':fzf-tab:complete:ls:*' fzf-preview 'ls --color $realpath'
+zstyle ':fzf-tab:*' switch-group '<' '>'
 
 # === Tool Initialization ===
 eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
@@ -75,6 +90,7 @@ export NVM_DIR="$HOME/.nvm"
 # Atuin env (adds ~/.atuin/bin to PATH)
 [ -f "$HOME/.atuin/bin/env" ] && . "$HOME/.atuin/bin/env"
 
+eval "$(fzf --zsh)"
 eval "$(zoxide init zsh)"
 unalias zi 2>/dev/null; alias zi='__zoxide_zi'
 eval "$(atuin init zsh)"
@@ -86,8 +102,26 @@ export ZSH_AUTOSUGGEST_STRATEGY=(atuin history completion)
 bindkey '^[[1;5C' forward-word
 
 # === Functions ===
-znew() {
-  zellij action new-tab --layout "$1" --name "$2" --cwd "$3"
+
+znew() { zellij action new-tab --layout "$1" --name "$2" --cwd "$3"; }
+
+zwork() {
+  local layout_dir="${XDG_CONFIG_HOME:-$HOME/.config}/zellij/layouts"
+
+  local project
+  project=$(fd --type d --max-depth 2 . 2>/dev/null \
+    | fzf --prompt="Folder > " --preview='ls --color=always {}')
+  [ -z "$project" ] && return 0
+
+  local layout
+  layout=$(fd --type f --extension kdl . "$layout_dir" 2>/dev/null \
+    | sed 's|.*/||; s/\.kdl$//' \
+    | fzf --prompt="Layout > ")
+  [ -z "$layout" ] && return 0
+
+  local tab_name
+  echo -n "Tab name [${project%/}]: "; read tab_name
+  zellij action new-tab --layout "$layout" --name "${tab_name:-${project%/}}" --cwd "$PWD/$project"
 }
 
 # === Aliases ===