Add Docker Hub documentation for DEP connector

[luca-m]

Summary

Added comprehensive Docker Hub documentation for the DigIntLab DEP OpenCTI connector, providing users with clear guidance on deployment, configuration, and usage.

Changes

• Created DOCKERHUB.md with complete connector documentation including:
  • Overview of connector functionality (ransomware/data-leak ingestion from DEP)
  • Quick start guide with basic Docker run command
  • Detailed configuration reference for all required and optional environment variables
  • Docker Compose example for full stack deployment
  • Links to source code, DEP platform, and OpenCTI documentation

Details

The documentation covers:

• Functionality: Authentication flow, API polling, STIX entity mapping (Incidents, Organizations, Sectors, Indicators), deterministic ID generation, and state management
• Requirements: OpenCTI ≥ 6.8.13 and valid DEP subscription credentials
• Configuration: 8 required environment variables and 10 optional parameters with sensible defaults
• Deployment: Both standalone Docker and Docker Compose examples for easy adoption

https://claude.ai/code/session_01Tj5BbnrFWSnFZBxUvXUAUt

[github-actions]

KICS version: v2.1.19

Category Results CRITICAL 0 HIGH 0 MEDIUM 0 LOW 0 INFO 0 TRACE 0 TOTAL 0	Metric Values Files scanned 4 Files parsed 3 Files failed to scan 0 Total executed queries 360 Queries failed to execute 0 Execution time 12

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