README: add ubuntu 20.04 build insnsmaster
tree4ec6dc835b84c24243d4929171695cfafbd19c73
-rw-r--r-- 124 .gitignore
-rw-r--r-- 1755 CHANGELOG
-rw-r--r-- 1374 INSTALL.txt
-rw-r--r-- 731 README
-rw-r--r-- 1631 SConstruct
drwxr-xr-x - resources
drwxr-xr-x - scons
drwxr-xr-x - src