feat: add body fuzzing to DAST and add POST/PUT methods

[hugo-syn]

PR Information

I added body fuzzing to DAST template. I added POST / PUT methods.

[neo-by-projectdiscovery-dev]

Neo - Nuclei Template Review

No security issues found

Hardening Notes

• The changes are purely additive to template coverage - no modification to existing payload logic or matchers
• POST/PUT method additions use OR logic in pre-conditions, maintaining backward compatibility with existing GET-based scans
• All digest hashes at end of files were removed, likely for consistency or version control reasons

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