Lab moderna: add Franck-Hertz experiment

Change-Id: I8bcd498618d60d2ddbcdade6d789b8a310b6c0cd
diff --git a/quad12/labmoderna/franckhertz/dades/190K_uh7.5_minims.txt b/quad12/labmoderna/franckhertz/dades/190K_uh7.5_minims.txt
new file mode 100644
index 0000000..d65d372
--- /dev/null
+++ b/quad12/labmoderna/franckhertz/dades/190K_uh7.5_minims.txt
@@ -0,0 +1,11 @@
+U1	IA	U2	n
+12,50	0,71	1,0	2
+17,48	0,76	1,0	3
+22,24	0,83	1,0	4
+27,20	0,91	1,0	5
+32,11	0,96	1,0	6
+37,28	1,04	1,0	7
+42,31	1,12	1,0	8
+47,42	1,20	1,0	9
+52,67	1,31	1,0	10
+57,89	1,45	1,0	11