Include Community-Supported fileexporter in Grafana Alloy

[madhub]

Community component name

fileexporter
Details of the component is here
https://github.com/open-telemetry/opentelemetry-collector-contrib/tree/main/exporter/fileexporter
Its also included in all otel distribution 'core, contrib, k8s'

[More details of the use case are included here] (#4262 (comment))

Community component maintainer

• I agree to be a maintainer for this component.

Community component description

Writes telemetry data to files on disk.
Exporter supports the following features：

• Support for writing pipeline data to a file.
• Support for rotation of telemetry files.
• Support for compressing the telemetry data before exporting.
• Support for writing into multiple files, where the file path is determined by a resource attribute.

[More details of the use case are included here] (#4262 (comment))

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[dehaansa]

As this component is easily supportable by Grafana folks it would not need to be a Community component, and can just be added as a regular component. This task may be prioritized internally by the team soon but I can't commit to a timeline, so if any community member is interested they are welcome to contribute a PR.

[madhub]

As this component is easily supportable by Grafana folks it would not need to be a Community component, and can just be added as a regular component. This task may be prioritized internally by the team soon but I can't commit to a timeline, so if any community member is interested they are welcome to contribute a PR.

Do you have some guidance document or how to ? . I am ready to work on this PR