provide an initial set of .gitignore files

.gitignore

+.deps
+.libs
+*.lib
+*.pdb
+*.dll
+*.exe
+*.obj
+.*.swp
+Debug
+Release
+*.exp
+Makefile
+Makefile.in
+aclocal.m4
+autom4te.cache
+config.guess
+config.log
+config.status
+config.sub
+configure
+depcomp
+libtool
+ltmain.sh
+compile
+curl-config
+libcurl.pc
+missing
+curl-*.tar.gz
+INSTALL
+install-sh
+*.o
+*.lo
+*.la
+mkinstalldirs
+tags
+libssh2.pc
+*~
+aclocal.m4.bak

ares/.gitignore

+acountry
+adig
+ahost
+ares_build.h
+ares_config.h
+ares_config.h.in
+libcares.pc
+stamp-h1
+stamp-h2
\ No newline at end of file

ares/m4/.gitignore

+libtool.m4
+ltoptions.m4
+ltsugar.m4
+ltversion.m4
+lt~obsolete.m4

include/curl/.gitignore

+curlbuild.h
+stamp-h3
+

lib/.gitignore

+curl_config.h
+curl_config.h.in
+stamp-h1

m4/.gitignore

+libtool.m4
+ltoptions.m4
+ltsugar.m4
+ltversion.m4
+lt~obsolete.m4

packages/AIX/RPM/.gitignore

+curl.spec

packages/EPM/.gitignore

+curl.list

packages/Linux/RPM/.gitignore

+curl-ssl.spec
+curl.spec

src/.gitignore

+curl
+curl_config.h
+curl_config.h.in
+hugehelp.c
+stamp-h2