Migration of the `dxf` library from Ant to Gradle #238

Job	Run time
Test Processing	4m 7s
(windows/x64) Create Processing Build	6m 25s
(macos/x64) Create Processing Build	10m 28s
(macos/aarch64) Create Processing Build	4m 1s
(linux/aarch64) Create Processing Build	9m 6s
(linux/x64) Create Processing Build	11m 14s
	45m 21s

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