test: started adding cryostate content

docs/source/content/hardware.rst

@@ -44,5 +44,9 @@ The individual parts used in the AFMD setup include, labeled according to pictur
 Photo of the custom-built sample holder used in this setup. The device is placed in a 3D printed sample box, contacted by a conducting spring system, and secured via a top cover (here red) and two side clips (here black). Connection to individual devices is achieved via crocodile clips.
 The sEQE setup's sample holder is custom design by Grey and the 3D printed parts can be found in the `AFMD small projects subrepository <https://github.com/AFMD/smallProjects/tree/master/singleSubstrateHolder/newSSHolder>`_ . These parts were designed in OpenSCAD and the code of the programms unique programming language resides in the .scad files. The holder was printed with PLA plastic fillament using an Ultimaker 2 printer. The printed circuit boards were designed using KiCAD software and manufactured by JLCPCB.
 
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