Added Kinesis code examples (#306)

* Added Kinesis code examples

* Cleanup region handling

* Update Cargo.toml

* Update Cargo.toml for new crate names

* Updated Kinesis DeleteStream code example

* Updated Kinesis code examples after running clippy

* Updated Kinesis code examples with latest changes

* Updated Kinesis DescribeStream example.

* Update aws/sdk/examples/kinesis-put-record/src/main.rs

* Update aws/sdk/examples/kinesis-put-record/Cargo.toml

* Update aws/sdk/examples/kinesis-put-record/src/main.rs

Co-authored-by: Russell Cohen <russell.r.cohen@gmail.com>
Co-authored-by: Russell Cohen <rcoh@amazon.com>