Karafka 2.0 Wiki todos and updates

[x] Getting started
[x] New section on consumer perstistence (or explanation somewhere)
[x] Articles and references
[x] Auto reload of code changes in development
[x] CLI
[x] Concurrency and multithreading
[x] Configuration
[x] Consumer extra event based methods
[x] Consuming messages / consumers
[x] Deployment
[x] Error handling and backoff policy
[x] Events monitoring and logging
[x] Instrumentation
[x] Exit codes
[x] FAQ
[x] Responders references removed
[x] Rails integration docs
[x] Testing
[x] Consumer mappers (topics mappers removed)
[x] Serialization to Deserialization and serializer removal (as responders are removed)
[x] License and comm license
[x] ActiveJob + ActiveJob pro
[x] Virtual Partitions
[x] Long Running Jobs
[x] Remove backend references
[x] Routing
[x] Producing messages
[x] Setting up Kafka locally with Docker
[x] Testing
[x] Provide footer to the wiki via _Footer
[x] Run al the docs through Grammarly
[x] Check all the links in the Home.md after merging
[x] Once stable, generate TOC for sections that are complex

karafka / wiki