add tensiometry

Author: phuang26

converter_app/options.py

@@ -11,6 +11,7 @@
     'MASS SPECTRUM',
     'CONTINUOUS MASS SPECTRUM',
     'THERMOGRAVIMETRIC ANALYSIS',
+    'TENSIOMETRY',
     'UV-VIS',
     'HPLC UV-VIS',
     'GEL PERMEATION CHROMATOGRAPHY',
@@ -47,6 +48,7 @@
     'Intensity',
     'KUBELKA-MUNK',
     'mAU',
+    'Newton',
     'REFLECTANCE',
     'TRANSMITTANCE',
     'WEIGHT',