MINOR: Add <p>/</p> to connect docs, because HTML render doesn't respect blank lines
MINOR: Add <p>/</p> to connect docs, because HTML render doesn't respect blank lines

This just adds `<p>`/`</p>` to paragraphs in Kafak Connect docs.

ewencp are you a good person to review this?

Author: Tom Bentley <tbentley@redhat.com>

Reviewers: Ewen Cheslack-Postava <ewen@confluent.io>

Closes #4008 from tombentley/MINOR-connect-docs-paragraph

richhaase/kafka,noslowerdna/kafka,MyPureCloud/kafka,lindong28/kafka,apache/kafka,sebadiaz/kafka,sebadiaz/kafka,KevinLiLu/kafka,gf53520/kafka,apache/kafka,TiVo/kafka,apache/kafka,mihbor/kafka,noslowerdna/kafka,richhaase/kafka,Esquive/kafka,mihbor/kafka,guozhangwang/kafka,mihbor/kafka,TiVo/kafka,Ishiihara/kafka,KevinLiLu/kafka,richhaase/kafka,sslavic/kafka,sebadiaz/kafka,KevinLiLu/kafka,TiVo/kafka,themarkypantz/kafka,Ishiihara/kafka,KevinLiLu/kafka,MyPureCloud/kafka,themarkypantz/kafka,guozhangwang/kafka,Esquive/kafka,MyPureCloud/kafka,sslavic/kafka,ollie314/kafka,Esquive/kafka,Chasego/kafka,guozhangwang/kafka,lindong28/kafka,ollie314/kafka,themarkypantz/kafka,gf53520/kafka,lindong28/kafka,TiVo/kafka,mihbor/kafka,MyPureCloud/kafka,Chasego/kafka,sslavic/kafka,ollie314/kafka,gf53520/kafka,apache/kafka,Chasego/kafka,noslowerdna/kafka,guozhangwang/kafka,sslavic/kafka,richhaase/kafka,Chasego/kafka,lindong28/kafka,Ishiihara/kafka,Ishiihara/kafka,sebadiaz/kafka,gf53520/kafka,Esquive/kafka,noslowerdna/kafka,ollie314/kafka,themarkypantz/kafka