update setup.py

Author: shtaxxx

setup.py

@@ -17,6 +17,7 @@ def read(filename):
       version=version,
       description='Cycle-Accurate Hardware Simulation Framework on Abstract FPGA Platforms',
       long_description=read('README.md'),
+      keywords = 'FPGA,Verilog HDL,Memory System Abstraction,IP-core,AMBA AXI4, FPGA-based Rapid Prototyping, Cycle-Accurate Simulation',
       author='Shinya Takamaeda-Yamazaki',
       author_email='shinya.takamaeda_at_gmail_com',
       license="Apache License 2.0",