feat(config): fish configs

config/fish/functions/_tide_2_line_prompt.fish

@@ -0,0 +1,31 @@
+function _tide_2_line_prompt
+    set -g add_prefix
+    _tide_side=left for item in $_tide_left_items
+        _tide_item_$item
+    end
+    if not set -e add_prefix
+        set_color $prev_bg_color -b normal
+        echo $tide_left_prompt_suffix
+    end
+
+    echo
+
+    set -g add_prefix
+    _tide_side=right for item in $_tide_right_items
+        _tide_item_$item
+    end
+    if not set -e add_prefix
+        set_color $prev_bg_color -b normal
+        echo $tide_right_prompt_suffix
+    end
+end
+
+function _tide_item_pwd
+    _tide_print_item pwd @PWD@
+end
+
+function _tide_item_newline
+    set_color $prev_bg_color -b normal
+    v=tide_"$_tide_side"_prompt_suffix echo $$v
+    set -g add_prefix
+end