digital/DigiLib: DigiLib is a library which contains generally useful code. Having it in a separate library allows me to easily use it in my projects. @ b5410a5032cb492d90e9029f8c5c05297be6aad6

digital b5410a5032 duplicated submodule pin to gpio and started rewriting it. the gpio warpper is in an extra file now. instead of input and output read and write are used		7 lat temu
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digilib	b5410a5032 duplicated submodule pin to gpio and started rewriting it. the gpio warpper is in an extra file now. instead of input and output read and write are used	7 lat temu
docs	64a77ec34f added template index.rst and wrote a description about digilib in index.rst	7 lat temu