initial upload

data/option_sample.txt

@@ -0,0 +1,12 @@
+# this is an annotation
+range = 100/1000/200/2000/full_range
+interval = 10/10
+weight = 120.12
+model-file = test.txt
+# you can insert empty lines too
+
+model-tag = model1
+model-tag = model2
+model-tag = model3
+
+out-model = example.msh