add config for kitty + update fish shell config

home/private_dot_config/private_fish/config.fish

@@ -2,13 +2,27 @@ if status is-interactive
     # Commands to run in interactive sessions can go here
 end
 
+# zellij init for alacritty
+if string match -q -- alacritty $TERM
+  set -gx ZELLIJ_AUTO_EXIT true
+  eval (zellij setup --generate-auto-start fish | string collect)
+end
+# zellij init for alacritty end
+
 # starship custom conf
 set -gx STARSHIP_CONFIG $__fish_config_dir/starship.toml
 # starship custom conf end
 starship init fish | source
 # greeting
 function fish_greeting
-    cat $__fish_config_dir/motd
+  echo ""
+  if [ $TERM = xterm-kitty ]
+    fastfetch -c $__fish_config_dir/fmotd/motd.jsonc
+  else
+    fastfetch -c $__fish_config_dir/fmotd/motd-fallback.jsonc
+  end
+  echo -e "\nWelcome to fish@$TERM, $USER!"
+  #cat $__fish_config_dir/motd
 end
 # greeting end
 # pnpm
@@ -44,6 +58,9 @@ rvm default
 set PATH $PATH /home/grassblock/.local/bin
 # pipx end
 
-# 0x0 start
-
-#0x0 end
+# >>> mamba initialize >>>
+# !! Contents within this block are managed by 'mamba init' !!
+set -gx MAMBA_EXE "/usr/bin/micromamba"
+set -gx MAMBA_ROOT_PREFIX "/home/grassblock/.local/share/micromamba"
+$MAMBA_EXE shell hook --shell fish --root-prefix $MAMBA_ROOT_PREFIX | source
+# <<< mamba initialize <<<