docs: Add Example Dev App for Reading from a Kinesis Data Stream

[jshlbrd]

Description

• Adds an example development app for tapping an AWS Kinesis Data Stream.

Motivation and Context

This is useful for testing configurations against live data, but not an app that I think we should commit to maintaining (i.e. tracking with SemVer). It's also an easy way to preview data in a Kinesis Data Stream.

Run this command to preview data in the stream:

./examples/cmd/development/tap_kinesis/substation -stream-name my-stream

Run this command to use a custom configuration:

./examples/cmd/development/tap_kinesis/substation -stream-name my-stream -config path/to/my/config.json

Run this command to choose the stream's offset (defaults to earliest):

./examples/cmd/development/tap_kinesis/substation -stream-name my-stream -stream-offset latest

How Has This Been Tested?

This was tested against several production Kinesis Data Streams.

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.