Add .gitattributes and .gitignore, remove .cvsignore

.gitignore

@@ -0,0 +1,57 @@
+.deps/
+.libs/
+m4/
+*.diff
+*.patch
+y.output
+y.tab.h
+lexer.c
+config_gram.c
+config_gram.h
+.depend
+INSTALL
+Makefile.in
+Makefile
+ac_cfg.h.in
+aclocal.m4
+autom4te.cache
+configure
+depcomp
+install-sh
+compile
+missing
+mkinstalldirs
+stamp-h.in
+stamp-h1
+ac_cfg.h
+avrdude.conf
+avrdude.conf.tmp
+avrdude.spec
+config.guess
+config.log
+config.status
+config.sub
+avrdude
+libtool
+ltmain.sh
+ylwrap
+
+*.o
+*.lo
+*.a
+*.la
+
+# Visual Studio
+.vs/
+[Dd]ebug/
+[Rr]elease/
+x64/
+x86/
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+*.log
+
+# Visual Studio code
+.vscode/