add gitignore

.gitignore

+3rdparty/nemolight/build-Debug
+
+#cmake
+*build/
+
+#qmake
+*.user
+
+# tilda
+*~
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Compiled Dynamic libraries
+*.so
+*.so.*
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+*.lo
+
+# Executables
+*.exe
+*.out
+*.app
+
+# Debug files
+*.dSYM/
+*.su
+
+# automake
+Makefile.in
+/autom4te.cache
+/autoscan.log
+/autoscan-*.log
+/aclocal.m4
+/compile
+/config.h.in
+/configure
+/configure.scan
+/depcomp
+/install-sh
+/missing
+/stamp-h1
+
+# cuda
+*.i
+*.ii
+*.gpu
+*.ptx
+*.cubin
+*.fatbin
+
+
+