docs(wiki): fix dead link + point at current repo
Populate wiki with valuation deep-dives, regulatory guides, and case studies - 12 valuation method guides (Time Value, Discount Rates, Cost/Market, Income Methods, IP, Technology, Customer, Human Capital, Goodwill/PPA, Impairment, Monte Carlo, Transfer Pricing) - 2 regulatory compliance guides (ASC 805/IFRS 3, ASC 350/IAS 36) - 3 industry case studies (Pharma, SaaS, Fintech) - Home page with table of contents and quick links
Initial Home page