Add some integration tests including the use of an avro schema registry

Catch all is right now pushing error to sentry. Would like to publish the same to new relic as well. Planning to use noticeError provided by newrelic java agent.

Is your feature request related to a problem? Please describe.
Some areas of the web portal have issues with screen readers. Here are a few examples

Describe the solution you'd like
Improve readability for screen readers across the web portal

Currenlty a StreamsExecutionEnvironment instance can be registed directly through the AzkarraContext#addExecutionEnvironment method and from the configuration.

The following example shows how to define an environment using configuration :

azkarra {
  // Create a environment for running the WordCountTopology
  environments = [
    {
      name: "dev"
      config = {}
      jo

The sum and count Kafka tutorials instruct the user to create a directory called aggregate-, whereas the actual folder for them in GitHub are called aggregating-.

There is no functional impact to current behavior (it still works) but it would be better to be consistent.