Add license

LICENSE

@@ -0,0 +1,5 @@
+Copyright 2023 Raintank, Inc. dba Grafana Labs
+
+Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

README.md

@@ -41,3 +41,8 @@ Results of tested k6 versions are available in the [/results](/results) director
 - ["Running large tests" guide](https://k6.io/docs/testing-guides/running-large-tests/): learn about some ways to improve k6 performance, error troubleshooting, and more.
 
 - ["Fine tuning OS" guide](https://k6.io/docs/misc/fine-tuning-os): learn about different operating system configuration tweaks to make sure k6 runs optimally.
+
+
+# License
+
+[ISC](/LICENSE)