* lisp/progmodes/go-ts-mode.el (go-ts-mode--indent-rules): Add
indentation for type switch and select case blocks
* test/lisp/progmodes/go-ts-mode-resources/indent.erts: New .erts file
to test indentation of Go constructs and prevent regression of bug
fixes.
* test/lisp/progmodes/go-ts-mode-tests.el: New file with go-ts-mode
tests.
