update LICENSE to MIT

Author: tj

LICENSE

@@ -1,9 +1,23 @@
-Copyright (c) 2020 TJ Holowaychuk
+The MIT License
 
-Commercial use of Up must purchase an "Up Pro" subscription for the duration of
-its use in commercial products, the open-source version is for non-commercial use only.
-See https://apex.sh/docs/up/guides/#subscribing_to_up_pro for documentation on how to subscribe.
+Copyright (c) 2020 TJ Holowaychuk [email protected]
+
+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.
 
-Up is an Open Source project licensed under the terms of
-the GPLv3 license.  Please see <http://www.gnu.org/licenses/gpl-3.0.html>
-for license text.