Lab moderna: add Franck-Hertz experiment

Change-Id: I8bcd498618d60d2ddbcdade6d789b8a310b6c0cd
diff --git a/quad12/labmoderna/franckhertz/dades/200K_uh8.5_minims.txt b/quad12/labmoderna/franckhertz/dades/200K_uh8.5_minims.txt
new file mode 100644
index 0000000..65cde43
--- /dev/null
+++ b/quad12/labmoderna/franckhertz/dades/200K_uh8.5_minims.txt
@@ -0,0 +1,10 @@
+U1	IA	U2	n
+18,02	1,13	1,0	3
+22,90	1,37	1,0	4
+27,61	1,60	1,0	5
+32,52	1,85	1,0	6
+36,89	1,79	1,0	7
+41,75	2,12	1,0	8
+46,95	2,52	1,0	9
+52,28	2,98	1,0	10
+57,26	3,34	1,0	11