Add renamed files

Author: tdroza-nhs

docs/collections/_events/file-quarantined.md

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+---
+title: file-quarantined
+type: uk.nhs.notify.digital.letters.file.quarantined.v1
+nice_name: FileQuarantined
+service: Print Supplier Services
+schema_envelope:  https://notify.nhs.uk/cloudevents/schemas/digital-letters/2025-10-draft/events/uk.nhs.notify.digital.letters.file.quarantined.v1.schema.json
+schema_data: https://notify.nhs.uk/cloudevents/schemas/digital-letters/2025-10-draft/data/digital-letters-file-quarantined-data.schema.json
+---
+
+This event is published when a file has been virus scanned and found to contain potentially harmful content, resulting in it being quarantined.

docs/collections/_events/file-safe.md

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+---
+title: file-safe
+type: uk.nhs.notify.digital.letters.file.safe.v1
+nice_name: FileSafe
+service: Print Supplier Services
+schema_envelope:  https://notify.nhs.uk/cloudevents/schemas/digital-letters/2025-10-draft/events/uk.nhs.notify.digital.letters.file.safe.v1.schema.json
+schema_data: https://notify.nhs.uk/cloudevents/schemas/digital-letters/2025-10-draft/data/digital-letters-file-safe-data.schema.json
+---
+
+This event is published when a file has been virus scanned and found to be free of harmful content, allowing it to be safely sent to print.

docs/collections/_events/pdf-analysed.md

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+---
+title: pdf-analysed
+type: uk.nhs.notify.digital.letters.print.letter.analysed.v1
+nice_name: PrintLetterAnalysed
+service: Print Supplier Services
+schema_envelope:  https://notify.nhs.uk/cloudevents/schemas/digital-letters/2025-10-draft/events/uk.nhs.notify.digital.letters.pdf.analysed.v1.schema.json
+schema_data: https://notify.nhs.uk/cloudevents/schemas/digital-letters/2025-10-draft/data/digital-letters-pdf-analysed-data.schema.json
+---
+
+This event is published when a PDF letter has been analysed in preparation for sending to print. In addition to the standard metadata fields relating to the message request, the event payload also contains a count of the number of pages in the letter and a SHA256 hash of the file. This information can be used by the Print Supplier API to verify the integrity of the letter before it is printed.