feat(fish): add some plugins, update functions

.config/fish/conf.d/puffer_fish_key_bindings.fish

@@ -0,0 +1,25 @@
+status is-interactive || exit
+
+function _puffer_fish_key_bindings --on-variable fish_key_bindings
+    set -l modes
+    if test "$fish_key_bindings" = fish_default_key_bindings
+        set modes default insert
+    else
+        set modes insert default
+    end
+
+    bind --mode $modes[1] . _puffer_fish_expand_dots
+    bind --mode $modes[1] ! _puffer_fish_expand_bang
+    bind --mode $modes[1] '$' _puffer_fish_expand_lastarg
+    bind --mode $modes[2] --erase . ! '$'
+end
+
+_puffer_fish_key_bindings
+
+set -l uninstall_event puffer_fish_key_bindings_uninstall
+
+function _$uninstall_event --on-event $uninstall_event
+    bind -e .
+    bind -e !
+    bind -e '$'
+end