Add .gitignore from ostree

.gitignore

@@ -0,0 +1,47 @@
+# Standard C/Automake goo
+.deps
+.libs
+*.typelib
+*.la
+*.lo
+*.o
+*.pyc
+*.stamp
+*~
+Makefile
+Makefile.in
+aclocal.m4
+autom4te.cache
+compile
+config.guess
+config.h
+config.h.in
+config.log
+config.status
+config.sub
+configure
+depcomp
+gtk-doc.make
+INSTALL
+install-sh
+libtool
+ltmain.sh
+missing
+stamp-h1
+ylwrap
+py-compile
+config
+m4
+po
+ABOUT-NLS
+_build
+
+*.gir
+*.typelib
+
+rpm-ostree
+rpm-ostree-postprocess-and-commit
+rpm-ostree-autobuilder
+
+rpm-ostree-*.tar.xz
+rpm-ostree-*.rpm