CLOUDP-329977: [Atlas CLI] The api "public preview" message is appearing in all CLI docs

[jeroenvervaeke]

Proposed changes

• Removed 'experimental' text from common commands
• Improved docs for 'atlas api' commands

Jira ticket: CLOUDP-329977

Testing

• Verified docs and help text for:
  • L2 commands (root and child commands)
  • atlas api commands

L1: root

❯ ./bin/atlas api networkPeering --help
Public Preview: The atlas api sub-command, automatically generated from the MongoDB Atlas Admin API, offers full coverage of the Admin API and is currently in Public Preview (please provide feedback at https://feedback.mongodb.com/forums/930808-atlas-cli).
Admin API capabilities have their own release lifecycle, which you can check via the provided API endpoint documentation link.

Returns, adds, edits, and removes network peering containers and peering connections. When you deploy an M10+ dedicated cluster, Atlas creates a VPC for the selected provider and region or regions if no existing VPC or VPC peering connection exists for that provider and region. Atlas assigns the VPC a Classless Inter-Domain Routing (CIDR) block.

Usage:
  atlas api networkPeering [command]

Available Commands:
  createPeeringConnection                      Creates one new network peering connection in the specified project.
  createPeeringContainer                       Creates one new network peering container in the specified project.
  deletePeeringConnection                      Removes one network peering connection in the specified project.

L1: child

❯ ./bin/atlas api networkPeering disablePeering --help
Public Preview: The atlas api sub-command, automatically generated from the MongoDB Atlas Admin API, offers full coverage of the Admin API and is currently in Public Preview (please provide feedback at https://feedback.mongodb.com/forums/930808-atlas-cli).
Admin API capabilities have their own release lifecycle, which you can check via the provided API endpoint documentation link.

Disables Connect via Peering Only mode for the specified project. To use this resource, the requesting Service Account or API Key must have the Project Owner role.

This command is autogenerated and corresponds 1:1 with the Atlas API endpoint https://www.mongodb.com/docs/api/doc/atlas-admin-api-v2/operation/operation-disablepeering.

For more information and examples, see: https://www.mongodb.com/docs/atlas/cli/current/command/atlas-api-networkPeering-disablePeering/

Usage:
  atlas api networkPeering disablePeering [flags]

Flags:
      --envelope            flag that indicates whether Application wraps the response in an envelope JSON object

L2: root

❯ ./bin/atlas cluster --help
Manage clusters for your project. The clusters command provides access to your cluster configurations. You can create, edit, and delete clusters.

Usage:
  atlas clusters [command]

L2: child

❯ ./bin/atlas cluster create --help
Create a cluster for your project. To get started quickly, specify a name for your cluster, a cloud provider, and a region to deploy a three-member replica set with the latest MongoDB server version.
For full control of your deployment, or to create multi-cloud clusters, provide a JSON configuration file with the --file flag.

Deprecation note: the M2 and M5 tiers are now deprecated; when selecting M2 or M5, a FLEX tier will be created instead. For the migration guide, visit: https://dochub.mongodb.org/core/flex-migration.\n

[andreaangiolillo]

LGTM

[github-actions]

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Branch	Commit	Coverage
master	a1fb341	25.7%
CLOUDP-329977	0d66f24	25.7%
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