Add changelog for v0.6.0
Add changelog for v0.6.0

joerg-krause/luvi,zhaozg/luvi,zhaozg/luvi,virgo-agent-toolkit/luvi,luvit/luvi,joerg-krause/luvi,kidaa/luvi,brimworks/luvi,brimworks/luvi,luvit/luvi,virgo-agent-toolkit/luvi