Add services field into package manifest.yml

[kaiyan-sheng]

What does this PR do?

This PR is to add a new services field option into the package manifest.yml file. For example:

services:
  - name: aws_ec2
    title: AWS EC2
    release: beta
    description: AWS EC2 Integration
    icons:
      - src: /img/logo_aws_ec2.svg
        title: logo aws ec2
        size: 32x32
        type: image/svg+xml
    data_streams:
      - ec2_logs
      - ec2_metrics

Why is it important?

With this new field, we can expose services under a package to users as separate integrations in Fleet Integrations list. For example, instead of only showing users we support AWS integration, we can also show AWS EC2, AWS SNS and etc.

Checklist

• I have added test packages to code/go/internal/validator/test/packages that prove my change is effective.
• I have added an entry in versions/N/changelog.yml.

Related issues

• Relates Support granular search of AWS services  #122

[elasticmachine]

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• Build Cause: Branch indexing

• • Start Time: 2021-02-04T22:46:36.373+0000

• Duration: 1 min 18 sec

• Commit: 0abec59

[ruflin]

Can we please hold off on PR's until we agree on the right format to use in #122 ?

[ycombinator]

@ruflin Sure, but I thought there was agreement in #122. Can you point to something in #122 where there is disagreement? Maybe I missed something...

[kaiyan-sheng]

Closing this draft after we discussed more on the design.