Implement warning messages for invalid characters in names #175

Job	Run time
build_and_test / build (14)	1m 34s
build_and_test / build (16)	1m 36s
build_and_test / build (18)	1m 44s
build_and_test / collect_coverage_reports	3s
lint / ESLint	23s
lint-docs / Lint TypeDoc	57s
	6m 17s

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