[M7] [SUBMISSION] Create submission checklist issue

[EstebanCanales]

Description

Create a checklist issue verifying all submission requirements are met:

• Public GitHub repo exists
• README with project overview
• WDK integration permalinks
• Demo video recorded and accessible
• List of WDK packages and versions
• Setup instructions from clean clone
• .env.example with all variables
• Network and token details documented
• All 7 milestones completed
• No hardcoded secrets in repo

Acceptance Criteria

• All checkboxes marked
• Submission ready to send to judges

Dependencies

M7-2, M7-3, M7-4

Owner: Developer 4