[couchbase] Add Integration Package with CBL Replication Data Stream

[kush-elastic]

• Enhancement

What does this PR do?

• Generated the skeleton of Couchbase integration package.
• Added 1 data stream ( cbl_replication )
• Added data collection logic.
• Added the ingest pipelines.
• Mapped fields according to the ECS schema and added Fields metadata in the appropriate yml files.
• Added system test cases.
  Note : This PR won't include dashboards. The dashboards for sync gateway will be included in the upcoming PRs.

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• If I'm introducing a new feature, I have modified the Kibana version constraint in my package's manifest.yml file to point to the latest Elastic stack release (e.g. ^7.13.0).

How to test this PR locally

• Clone integrations repo.
• Install elastic-package locally.
• Start elastic stack using elastic-package.
• Move to integrations/packages/couchbase directory.
• Run the following command to run tests.

elastic-package test

Related issues

• Relates [couchbase] Add Integration Package with Bucket Data Stream #3666
• Relates [couchbase] Add Integration Package with Cluster Data Stream #3706
• Relates [couchbase] Add Integration Package with Node Data Stream #3771
• Relates [Couchbase] Update manifest file for bucket data stream #3900

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• Start Time: 2022-09-12T10:34:04.279+0000

• Duration: 28 min 35 sec

Test stats 🧪

Test	Results
Failed	0
Passed	18
Skipped	0
Total	18

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[yug-rajani]

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[yug-rajani]

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[yug-rajani]

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (3/3)	💚
Files	100.0% (3/3)	💚 2.685
Classes	100.0% (3/3)	💚 2.685
Methods	100.0% (21/21)	💚 9.913
Lines	100.0% (347/347)	💚 9.152
Conditionals	100.0% (0/0)	💚

[yug-rajani]

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[kush-elastic]

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[kush-elastic]

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