Migrate pulumi-owned package installation docs to live in provider repos

[guineveresaenger]

All _index.md and installation-configuration.md files that are currently in pulumi/registry can and should live in a pulumi-foo/docs/ folder.

The Registry can and does detect these files for third-party providers, and we should use the same process. Using the in-registry folder is currently fallback behavior reserved for Pulumi-maintained packages.

Suggested process:

1. Audit which packages are being actively maintained (we don't need to chase down unmaintained providers)
2. Create a one-time migration script to copy these files into each provider and open a pull request
3. Remove the registry files if all looks correct.

Update

This issue is being tracked in https://github.com/pulumi/home/issues/3598. Rather than copying old, stale information, we are generating the installation docs in the provider and have added functionality to the registry that will

The revised process is:

1. Create a docs/_index.md file at the root of the provider. The registry will use this file to render the provider landing page.
2. For lower-tier bridged providers, this file will be generated with the bridge's registry-docs command.
3. This generation will be automated via Add registry docs option to bridged provider CI config ci-mgmt#1083 and Run registry docs command from correct file location ci-mgmt#1085.

For a first pass to ensure that the landing page looks excellent, we're rolling the initial changes out one by one, rather than automatically.

I'm closing this issue in favor of https://github.com/pulumi/home/issues/3598.

[pulumi-bot]

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[pulumi-bot]

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