license: dual license under cc-by-4 and mit

Signed-off-by: Rafael Silva <[email protected]>

Author: perigoso

LICENSE

@@ -0,0 +1,5 @@
+CC-BY-4.0 License
+
+This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
+
+With the following exception, to the extent that the creation of electronic designs that use 'Licensed Material' can be considered to be 'Adapted Material', then the copyright holder waives article 3 of the license with respect to these designs and any generated files which use data provided as part of the 'Licensed Material'.

LICENSE-CC-BY-4

@@ -0,0 +1,25 @@
+The MIT License (MIT)
+
+Copyright (c) 2019-2022 Rafael Silva
+
+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. with the exception that
+to the extent that the creation of electronic designs that use "Licensed Material"
+can be considered to be 'Adapted Material', the copyright holder waives
+this condition of the license with respect to these designs and any generated files
+which use data provided as part of the "Licensed Material".
+
+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.

LICENSE-MIT

@@ -45,3 +45,7 @@ The following entries are needed:
 Extract the same ackaged library found in [releases](https://github.com/openinput-fw/openinput-kicad-library/releases) to where you want the library stored, and add the relevant entries to the library tables in `Manage Symbol Libraries...` and `Manage Footprint Libraries...` in `Preferences`.
 
 `note: the path to the 3d models is fixed, so depending on where you install the library they might not show up by default`
+
+## License
+
+This library is dual licensed under [MIT](LICENSE-MIT) and [CC-BY-4.0](LICENSE-CC-BY-4).