Comments and readme cleanup

[NataliiaRemezova]

Deleted some comments, updated README

[justingebert]

Terraform Plan Output:

will stop streaming the logs, but will not stop the plan running remotely.

Preparing the remote plan...

To view this run in a browser, visit:
https://app.terraform.io/app/hypnobuddy/hypnobuddy/runs/run-WYtesFhWdytdJ7af

Waiting for the plan to start...

Terraform v1.7.1
on linux_amd64
Initializing plugins and modules...
data.google_secret_manager_secret_version.mongo_url: Refreshing...
data.google_secret_manager_secret_version.mongo_url: Refresh complete after 0s [id=projects/897359304801/secrets/mongo_url/versions/1]
google_cloud_run_v2_service.backend: Refreshing state... [id=projects/imi-b4/locations/europe-west1/services/hypnobuddy-backend]
google_cloud_run_service_iam_binding.default: Refreshing state... [id=v1/projects/imi-b4/locations/europe-west1/services/hypnobuddy-backend/roles/run.invoker]
google_cloud_run_v2_service.backend: Drift detected (update)

No changes. Your infrastructure matches the configuration.

Terraform has compared your real infrastructure against your configuration
and found no differences, so no changes are needed.

─────────────────────────────────────────────────────────────────────────────

Note: You didn't use the -out option to save this plan, so Terraform can't
guarantee to take exactly these actions if you run "terraform apply" now.

[github-actions]

Visit the preview URL for this PR (updated for commit 15cc497):

https://hypnobuddy-810a4--pr225-cleanup-refactoring-gnajd0zk.web.app

_{(expires Wed, 14 Feb 2024 22:12:20 GMT)}

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