integrations: Update Jenkins Documentation.
integrations: Update Jenkins Documentation.

I have updated the docs for the Jenkins integration to include number
for ease of read as well as switching over to the new
{create-a-bot-indenmted.md} template to allow the continuation of
numbers.

Fixes part of #17633.

zulip/zulip,rht/zulip,punchagan/zulip,punchagan/zulip,eeshangarg/zulip,zulip/zulip,kou/zulip,andersk/zulip,rht/zulip,andersk/zulip,eeshangarg/zulip,eeshangarg/zulip,hackerkid/zulip,punchagan/zulip,rht/zulip,kou/zulip,zulip/zulip,hackerkid/zulip,rht/zulip,zulip/zulip,punchagan/zulip,zulip/zulip,kou/zulip,hackerkid/zulip,eeshangarg/zulip,kou/zulip,eeshangarg/zulip,andersk/zulip,punchagan/zulip,punchagan/zulip,rht/zulip,rht/zulip,zulip/zulip,kou/zulip,hackerkid/zulip,andersk/zulip,eeshangarg/zulip,hackerkid/zulip,hackerkid/zulip,andersk/zulip,kou/zulip,andersk/zulip,punchagan/zulip,rht/zulip,zulip/zulip,hackerkid/zulip,eeshangarg/zulip,kou/zulip,andersk/zulip