Added logs for API Key, Collection and Documents Endpoint

[avirajsingh7]

Purpose of This PR

Since adding logs across all files at once made the PR too large and hard to review, this PR includes logs only for a subset of endpoints as a first step.

Plan

• This PR targets a main.
• Additional endpoints will be instrumented in follow-up PRs to this branch.

This PR Includes

Logging for the following endpoints:

• Documents
• API Key
• Collection
• And for Open AI and AWS services

[codecov]

Codecov Report

Attention: Patch coverage is 67.08075% with 53 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
backend/app/core/cloud/storage.py	35.48%	20 Missing ⚠️
backend/app/api/routes/collections.py	23.52%	13 Missing ⚠️
backend/app/crud/rag/open_ai.py	68.96%	9 Missing ⚠️
backend/app/core/middleware.py	80.00%	3 Missing ⚠️
backend/app/crud/api_key.py	70.00%	3 Missing ⚠️
backend/app/crud/collection.py	85.71%	2 Missing ⚠️
backend/app/api/routes/api_keys.py	83.33%	1 Missing ⚠️
backend/app/crud/document.py	92.30%	1 Missing ⚠️
backend/app/utils.py	87.50%	1 Missing ⚠️

📢 Thoughts on this report? Let us know!

[vijay-T4D]

Current logging implementation looks good. lets review the logs and fine tune accordingly

[nishika26]

will this be a warning or an error, because if we won't have an openai key, the endpoint won't work

[vijay-T4D]

this will be a error