Add configurable async route

Changelog:

• Add configurable async route #23 @martindekov @tessellator

Enable multiple topics per function through delimiter

Changelog:

• Enable multiple topics per function #21 @rgee0

Set TopicAnnotationDelimiter on your controller to allow multiple topics to be used for a single function.

Update response body printing

Changelog:

• Update response body printing to not using quoting of strings, for more user-friendly output

Updates to TopicMap for locking performance

Changelog:

• Update TopicMap to use RWMutex #18 via @tessellator

Add functions to get the current list of topics

Changelog:

• Add functions to get the current list of topics via @tessellator 🎉

Document usage of subscriber model

Changelog:

• Documents usage of subscriber model
• Adds RWMutex sync for subscribers

Introduce subscriber model for responses

Introduce subscriber model for responses

This is a breaking change in how we print responses

Updated version

Add README

Signed-off-by: Alex Ellis (VMware) <alexellis2@gmail.com>

Initial version

Break out SDK for even connector from Kafka code

Signed-off-by: Alex Ellis (VMware) <alexellis2@gmail.com>