minor gitignore additions

[summerhack] / data / curve01

curve_3dengfx

bspline
7
-40.249992 -36.575001 1.000000
-41.124996 -28.699993 1.000000
-32.374996 24.850000 1.000000
-30.274998 22.749998 1.000000
-34.124996 2.974998 1.000000
-38.499996 -11.200001 1.000000
-45.499996 -19.774998 1.000000