I have found a non-periodic tiling pattern using just four shapes, two of which are regular pentagons.
Have I discovered something previously unknown, and does it have any value or significance?

I have found a non-periodic tiling pattern using just four shapes, two of which are regular pentagons.
Have I discovered something previously unknown, and does it have any value or significance?

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It looks like your tiles can also tile the plane periodically -- that's what happens in each of the five sectors of the plane that meet at the central pentagon.
Non-periodic tilings with tiles that could also tile periodically, are unfortunately not something particularly new and remarkable. (It is simple to construct such an example with $2\times 1$ rectangles, for example).