docs: [five-c] add tutorial and how-to documentation #418

[tdruez]

Published at https://dejacode.readthedocs.io/en/latest/howto-6-policy-rules-configuration.html and https://dejacode.readthedocs.io/en/latest/tutorial-6-vuln-report.html

Issues

• Issue: five-c: Create tutorial and how-to #418

How-To: Configure Policy Rules

• Admin configuration workflow covering how to access the Policy Rules Configuration section in the Dataspace admin
• Enable and disable rules via the Enable this rule checkbox, with automatic re-evaluation on save
• Threshold configuration to tolerate a number of violations before a rule is triggered
• Vulnerability rule parameters covering Min Risk Score for Vulnerability Detected and Max Days / Min Risk Score for Vulnerability Stale
• Compliance Dashboard and drill-down explaining how to identify products with active violations and navigate to the compliance tab
• Webhook notifications summarizing the available policy events and linking to the Webhook integration page

Tutorial: Managing Policy Violations

• Compliance Dashboard as the entry point to identify products with active policy violations
• Policy violations panel reviewing triggered rules with their severity, violation count, and detection date
• Policy rules modal showing the status of all active rules (Triggered or OK)
• Inventory drill-down filtering packages by triggered rule to investigate violations
• Resolving a violation with a concrete example using vulnerability analysis to clear a Vulnerability Unresolved violation
• Manual re-evaluation to confirm the violation is cleared without waiting for the next automatic run