Updated licenses.

Author: ryanlua

src/SignsInternal/COPYING.server.lua

@@ -7,4 +7,4 @@ This program is free software: you can redistribute it and/or modify it under th
 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
---]]
+]]

src/SignsInternal/StudioWidgets/NOTICE.server.lua

@@ -0,0 +1,23 @@
+--[[
+   Studio Widgets is a set of GUI elements to use in Roblox Plugins hosted in PluginGUIs. Widgets have a standard "Studio" look & feel.
+   Copyright 2020 Roblox
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+   Changes to Studio Widgets include minor and major modifications to it's module scripts which include:
+    - Bug fixes
+    - New modules
+    - Rewritten modules
+    - Removal of unused code
+    - and other minor changes
+]]