Add Version Type & Field Configuration

[jokefaker]

Problem

• Not able to custom version type
• Not able to set custom version when use external version type

Solution

• add version.type configuration: internal, external, external_gte
• add version.field configuration to support read version value from payload
• use version.type and version.field in data convert

Does this solution apply anywhere else?

• [ ] yes
• [x] no

If yes, where?

Test Strategy

Testing if version.type and version.type.field is set, and check if IndexRequest is correct

Testing done:

• [x] Unit tests
• [ ] Integration tests
• [ ] System tests
• [ ] Manual tests

Release Plan

This feature is backwards compatible. Merging to master Rolling back might result in validation error for people that use version.type or version.type.field

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[blackmad]

is there a possibility of this being merged?