add period to some parameterized type docs. Convert `{Function.<` to `{function():` notation, https://github.com/phetsims/chipper/issues/1005
add period to some parameterized type docs. Convert `{Function.<` to `{function():` notation, https://github.com/phetsims/chipper/issues/1005

phetsims/axon,phetsims/axon,phetsims/axon