Add more red flag patterns for Pakistani and South Asian job market

[Aftab553911]

Overview

The current red flag rule engine in RedFlagAnalyzer.cs covers general
scam patterns but needs more patterns specific to Pakistani, Indian,
and South Asian job markets where different scam language is used.

Current file location

JobTruth.API/Services/RedFlagAnalyzer.cs

Look for the Rules list — add new entries in this format:

("pattern to match", "message shown to user", pointsDeducted),

Patterns to research and add

Common scam phrases in Pakistani job market:

• Pyramid scheme / MLM language in Urdu-English mix
• "Rozgar guarantee" type phrases
• Unrealistic PKR salary promises
• Requests for CNIC copy upfront
• "No target, no pressure" — MLM signal
• "Earn while you learn" — common scam phrase
• "Call for interview" with personal numbers
• "Apply via WhatsApp" variants

How to contribute

1. Research common fake job phrases on Rozee.pk, OLX jobs
2. Add patterns to the Rules list in RedFlagAnalyzer.cs
3. Test with real job descriptions
4. Submit PR with at least 10 new patterns

Acceptance criteria

• At least 10 new patterns added
• Each pattern has a clear message
• Points deducted are appropriate (5-25)
• No false positives on legitimate job descriptions