ASI folder reorganisation and 0.5 initial candidate entries

[jsotiro]

ASI folder reorganisation and 0.5 initial candidate entries

Key Changes:

• ASI folder restructured into samples and agentic-top-10
• 0.5 initial candidate entries from the ASI Threats and Mitigations were added under agentic-top-10/0.5-initial-candidates

[virtualsteve-star]

Merging this pased on @jsotiro request and assuming it's approved based on his leadership of the project.