Migration to Github

This Doc is to help guide and keep track of the migration of github. Some of the below (CI/CD) may be able to be converted into JIRA tasks themselves.

Gerrit to Github Changes
1. We have open CRs currently:
  1. events
    1. New Filter and Unistall Filter
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    2. filter creation & retrieval
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      - will be resubmitted using github PRS
  2. clean up
    1. refactor common pattern in integration tests
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    2. update to dep 0.5.4
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    3. gotools-clean target
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  3. fab3 api improvements
    1. fab3 building docs
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    2. gas limit to block return values
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    3. getblockbynumber omits invalid txs
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2. Which patches can be abandoned and submitted as PR on github afterwards or do we merge all of these in before making the switch
CR Merge Policy
1. Due to the size of the project, instead of requiring 2 maintainers to approve a CR we want to simplify to a single non-author maintainer approval
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CI/CD Migration: The following should be the different steps of the Azure pipeline
As a reference to Azure Pipeline documentation: https://docs.microsoft.com/en-us/azure/devops/pipelines/yaml-schema?view=azure-devops&tabs=schema
1. dependencies. Some may have predefined tasks in Azure that we can reuse
2. basic-checks (format, vendor, license, etc.)
3. Unit-tests
4. Integration-tests