Pricing alignment, contact polish, footer restructure

Pricing

• Aligned homepage pricing to match pricing page: £15 Sole Trader, £25 Limited Company
• Corrected early access details: first 50 users (was 100), 90-day trial (was 30), card required
• Removed ”+ VAT” from all pricing (below VAT registration threshold)
• Updated feature list: removed multi-currency (roadmap), added Director’s loan account

Contact

• Response time wording: “within one business day” (General), “within 24 hours” (Security)
• GitHub link now clarifies support is via email, not Issues
• Added “Prefer plain text. Attach logs if you have them.”
• Removed Company section (duplicated by footer)

Footer

• Restructured to two-row, five-column grid layout
• Row 1: Product, Documentation, Service, Legal, plus expansion column
• Row 2: Brand, SpeyTech, Open Source, plus expansion columns
• Dynamic version number linked to changelog
• Dynamic formatted date with ordinal suffix (e.g. “Friday 6th of February 2026”)