Only .gitignore any top level "Data" directory.

Signed-off-by: Michael Jackson <mike.jackson@bluequartz.net>

.gitignore

@@ -29,4 +29,4 @@ test_data/
 CMakeUserPresets.json
 Workspace
 /__pycache__/
-Data
+/Data/

wrapping/python/examples/data/angles.csv

@@ -0,0 +1,99 @@
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