Update Known Issues authored by Frederik Steven's avatar Frederik Steven
- [Misalignment over time of Piezos](Known Issues/Piezo Misalignment)
- [Low Capacitance Piezo in Motor Z3](Known Issues/low cap piezo)
- [Cross Capacitances](Known Issues/cross capacitances)
- [Replacement Piezos](Known Issues/replacement piezos)
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- [Replacement Piezos](Known Issues/Replacement Piezos)
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