version 1.0.2

Add pypi script (#24)

* patch bump, and also added deploy to pypi script

* add in discovery token as a prereq, and point to oauth guide to get one

* Update README.md

Co-authored-by: Kazuhiro Sera <ksera@slack-corp.com>

* edit script to take out slack_bolt and replace with slack_discovery_sdk

Co-authored-by: Kazuhiro Sera <ksera@slack-corp.com>

adding feedback and issue forms (#17)