comment: Add a reference declaration

LICENSE.wlroots

@@ -0,0 +1,21 @@
+Copyright (c) 2017, 2018 Drew DeVault
+Copyright (c) 2014 Jari Vetoniemi
+Copyright (c) 2023 The wlroots contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

src/ext-protocol/wlr_ext_workspace_v1.c

@@ -1,3 +1,7 @@
+// bash on: https://gitlab.freedesktop.org/tokyo4j/wlroots/-/tree/ext-workspace
+// TODO: remove this file
+// refer: https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/5115 
+
 #include <assert.h>
 #include <string.h>
 #include <stdlib.h>

src/ext-protocol/wlr_ext_workspace_v1.h

@@ -1,3 +1,7 @@
+// bash on: https://gitlab.freedesktop.org/tokyo4j/wlroots/-/tree/ext-workspace
+// TODO: remove this file
+// refer: https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/5115 
+
 /*
  * This an unstable interface of wlroots. No guarantees are made regarding the
  * future consistency of this API.