add bash exemple to push logs on ovh LDP

examples/bash/apk.list

@@ -0,0 +1,2 @@
+ca-certificates
+openssl

examples/bash/functions.yml

@@ -0,0 +1,4 @@
+functions:
+  hello:
+    runtime: bash
+    handler: log_test.hello

examples/bash/log_test.sh

@@ -0,0 +1,7 @@
+function hello() {
+  >&2 echo "$1"
+
+  declare log_token=$1
+  echo -e '{"version":"1.1", "host": "example.org", "short_message": "A short GELF message that helps you identify what is going on '$(hostname)'", "full_message": "Backtrace here more stuff", "timestamp": '$(date +'%s')', "level": 1, "_user_id": 9001, "_some_info": "foo", "some_metric_num": 42.0, "_X-OVH-TOKEN":"'$log_token'"}\0'  | openssl s_client -quiet -no_ign_eof  -connect discover.logs.ovh.com:12202
+  return 0
+}