feat: QS package for integrations

[raj-k-singh]

Summary

Gets the query-service/app/integrations/... package started with integrations.Manager.
This code is expected to evolve further as other pieces of the integration picture get fleshed out.
Up next:
[ ] wiring up of pipelines for installed integrations.
[ ] exposing integrations manager through query service web API for use in UI
[ ] add more integration assets (dashboards, alerts, saved views...)

Related Issues / PR's

Contributes to #4462

Affected Areas and Manually Tested Areas

None. The integrations package is yet to be wired up with live features.

Summary by CodeRabbit

• New Features
  • Introduced a comprehensive integration management system for the query service application, enabling users to list, install, and uninstall integrations seamlessly.
  • Added support for SQLite database management of installed integrations, enhancing data handling and storage efficiency.
  • Implemented caching for quick retrieval of integration details, improving application performance.

[coderabbitai]

Walkthrough

The update introduces a comprehensive framework for managing integrations within the query service application. It encompasses the creation of a Readme.md for documentation, development of core functionalities to handle integration processes, and the establishment of a SQLite repository for persistence. The changes facilitate listing, installing, and uninstalling integrations, alongside managing their configurations and ensuring quick access through caching.

Changes

Files	Change Summary
.../integrations/Readme.md	Introduced to provide information about SigNoz integrations.
.../integrations/manager.go, .../integrations/repo.go, .../integrations/sqlite_repo.go, .../integrations/test_utils.go	Added functionalities for managing integrations, including their lifecycle, configurations, and SQLite database management. Included test utilities and integration handling methods.

🐇✨
In the land of code and byte,
A rabbit hopped with sheer delight.
"New integrations far and wide,
Managed with ease, side by side.
With every hop, a bug takes flight!"
🌟📚🔧

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[coderabbitai]

Review Status

Actionable comments generated: 0

Configuration used: CodeRabbit UI

Commits

Files that changed from the base of the PR and between 7bca847 and 5c792a3.

Files selected for processing (6)

• pkg/query-service/app/integrations/Readme.md (1 hunks)
• pkg/query-service/app/integrations/manager.go (1 hunks)
• pkg/query-service/app/integrations/manager_test.go (1 hunks)
• pkg/query-service/app/integrations/repo.go (1 hunks)
• pkg/query-service/app/integrations/sqlite_repo.go (1 hunks)
• pkg/query-service/app/integrations/test_utils.go (1 hunks)

Files skipped from review as they are similar to previous changes (6)

• pkg/query-service/app/integrations/Readme.md
• pkg/query-service/app/integrations/manager.go
• pkg/query-service/app/integrations/manager_test.go
• pkg/query-service/app/integrations/repo.go
• pkg/query-service/app/integrations/sqlite_repo.go
• pkg/query-service/app/integrations/test_utils.go

[coderabbitai]

Review Status

Actionable comments generated: 0

Configuration used: CodeRabbit UI

Commits

Files that changed from the base of the PR and between 5c792a3 and b147b82.

Files selected for processing (3)

• pkg/query-service/app/integrations/manager.go (1 hunks)
• pkg/query-service/app/integrations/manager_test.go (1 hunks)
• pkg/query-service/app/integrations/test_utils.go (1 hunks)

Files skipped from review as they are similar to previous changes (3)

• pkg/query-service/app/integrations/manager.go
• pkg/query-service/app/integrations/manager_test.go
• pkg/query-service/app/integrations/test_utils.go

[srikanthccv]

LGTM