gitignore: Adds binaries from examples to the ignore list

Author: Felipe Zimmerle

.gitignore

@@ -44,3 +44,7 @@ libtool
 ltmain.sh
 examples/simple_example_using_c/test
 /tools/rules-check/modsec-rules-check
+examples/multiprocess_c/multi
+examples/reading_logs_via_rule_message/simple_request
+examples/reading_logs_with_offset/read
+examples/using_bodies_in_chunks/simple_request