Bump up the golang for compiling the binaries to 1.12.12
This commit also includes some minor changes to Makefile to fix issue in
building the binary files.
Signed-off-by: Daniel Jiang <jiangd@vmware.com>
add env file template for chart repo server in make/common/config/chartserver
update the Makefiles to support build chart repo server
add docker file and related build scripts for upstream chart server - chartmuseum
update prepare to support generating chart server related configs
add docker compose file for the chart server
add build/install command options to install with/without chart repo server
update install.sh to support chart repo server installation