Adding gain builder license file

Signed-off-by: Adham Abozaeid <adham.abozaeid@microchip.com>

Author: Adham Abozaeid

gain_builders/LICENSE

@@ -0,0 +1,20 @@
+©2020 Microchip Technology Inc. and its subsidiaries. 
+
+Subject to your compliance with these terms, you may use Microchip software and
+any derivatives exclusively with Microchip products. It is your responsibility
+to comply with third party license terms applicable to your use of third party
+software (including open source software) that may accompany Microchip software.
+  
+THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS".  NO WARRANTIES, WHETHER EXPRESS,
+IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED WARRANTIES
+OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE. 
+
+IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
+INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER
+RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF
+THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE.  TO THE FULLEST EXTENT ALLOWED
+BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY RELATED TO THIS
+SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY
+TO MICROCHIP FOR THIS SOFTWARE.
+
+