Fixed CONTRIBUTING link and improved wording #215

Job	Run time
Test Processing	1m 5s
(linux/aarch64) Create Processing Build	8m 44s
(linux/x64) Create Processing Build	9m 25s
(macos/aarch64) Create Processing Build	3m 32s
(macos/x64) Create Processing Build	6m 53s
(windows/x64) Create Processing Build	13m 39s
	43m 18s

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