FEAT: Enabled argocd as integration with devtron for GitOps

[dheeth]

Description

This PR has changes for argo-cd integration in devtron-operator chart as well as inception

Type of change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [x] This change requires a documentation update

How Has This Been Tested?

• [x] Tested with fresh installations multiple times
• [x] Tested with upgrades on existing installations

Checklist:

• [x] The title of the PR states what changed and the related issues number (used for the release note).
• [x] Does this PR require documentation updates?
• [x] I've updated documentation as required by this PR.
• [x] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have tested it for all user roles
• [ ] I have added all the required unit/api test cases