add MIT license

.Rbuildignore

@@ -6,3 +6,4 @@
 ^docs$
 ^pkgdown$
 ^\.github$
+^LICENSE\.md$

DESCRIPTION

@@ -9,8 +9,7 @@ Authors@R:
              comment = c(ORCID = "0000-0002-4791-418X")))
 Description: swfcalib is designed to automate the calibration of complex
              multi-parameters multi-outputs models ran on Slurm equipped HPC.
-License: `use_mit_license()`, `use_gpl3_license()` or friends to pick a
-    license
+License: MIT + file LICENSE
 Depends:
   R (>= 4.1.0)
 Imports:

LICENSE

@@ -0,0 +1,2 @@
+YEAR: 2024
+COPYRIGHT HOLDER: Adrien LE GUILLOU

LICENSE.md

@@ -0,0 +1,21 @@
+# MIT License
+
+Copyright (c) 2024 Adrien LE GUILLOU
+
+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.