Fixed `opening_hourse` according to website.
fix tagging: `cuisine=vegetarian` → `diet:vegetarian`
fix tagging: `cuisine=vegetarian` → `diet:vegetarian`
fix tagging: `cuisine=vegetarian` → `diet:vegetarian`
fix tagging: `cuisine=vegetarian` → `diet:vegetarian`
fix tagging: `cuisine=vegetarian` → `diet:vegetarian=only` since it's `diet:vegan=only`
fix tagging: `cuisine=vegetarien` → `diet:vegetarian`
fix tagging: `cuisine=vegetarian` → `diet:vegetarian`
fix tagging: `cuisine=vegetarian` → `diet:vegetarian`
fix tagging: `cuisine=vegetarian` → `diet:vegetarian`
fix tagging: `cuisine=vegetarian` → `diet:vegetarian`
fix tagging: `cuisine=vegetarian` → `diet:vegetarian`
fix tagging: `cuisine=vegetarian` → `diet:vegetarian`
fix tagging: `cuisine=vegetarian` → `diet:vegetarian`
fix tagging: `cuisine=vegetarian` → `diet:vegetarian`
fix tagging: `cuisine=vegetarisch` → `diet:vegetarian`, currently closed according to website
merge double nodes, extend information