BBQ Charcoal Market By Product Type (Lump, Briquettes), By Source (Agricultural Waste, Nutshells, Hardwood, Bamboo, Coconut Shells), By Distribution Channel (Supermarkets/Hypermarkets, Specialty Stores, Online, Indirect), By End-use (Restaurant, Household) - Growth, Share, Opportunities & Competitive Analysis, 2026 - 2034