gitignore: update
cfapps: add env app
old: $B%G%b:n@.ESCf$K=q$-<N$F$?%3!<%I(B
demo: $B%$%s%9%?%s%9$,$I$N(BDEA$B>e$GF0$$$F$k$+I=<($9$k4JC1$J(BWeb$B%"%W%j(B