First result from the Jinping Underground Nuclear Astrophysics experiment JUNA: precise measurement of the 92 keV 25Mg(p, <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si59.svg"> <mml:mrow> <mml:mi>γ</mml:mi> </mml:mrow> </mml:math> )26Al resonance