Write a function `build_greeter(names)` that takes a list of name strings and returns a list of greeting strings. Each greeting should be 'Hello, [name]! Welcome to the Sky House.' (Note: casing and punctuation must match exactly).
TEST SPECIFICATION
build_greeter(['Nova', 'Luka'])
→ ["Hello, Nova! Welcome to the Sky House.","Hello, Luka! Welcome to the Sky House."]