Suggestion for new equipment type: Sap flow sensor

There is a suggestion for a new equipment type 'Sap flow sensor' by nils.brinckmann@gfz-potsdam.de.

Check it out at https://sms-cv.helmholtz.cloud/sms/cv/api/v1/equipmenttypes/136/.

Please have a look @corinna.rebmann1, @heiko.thoss, @karl-heinz.haefele, @nils.brinckmann, @paul.remmler, @r.kunkel, @romy.foesig, @stephan.schreiber