Rate limiting, search fix

• Per-minute rate limiting: 200/min free, 1,000/min pro, 5,000/min enterprise
• Search total count now reflects actual matches

Advanced API filters

• Date range filters (`from_date`, `to_date`), sort order, multi-value `law_type`
• Some metadata fields now restricted to Pro and Enterprise tiers

Feedback form

• Feedback form in dashboard — tell us what's missing

Multiple API keys, usage tracking

• Named API keys — create multiple keys and revoke them individually
• Per-key usage chart in dashboard (last 30 days)

Dashboard

• Dashboard — sign in with magic link, manage your API keys and usage

API v1 launch

• REST API at `/api/v1/*` — laws, reforms, commits, search, stats, jurisdictions
• Sign up with your email, get an API key instantly
• Time-travel: retrieve law text at any historical version
• Interactive API docs at `/api/docs`

Greece, pricing page

• Greece as 14th country
• Pricing page