Dev/decode my302 (#254)

This PR adds support for decoding digital data from the my320 test chip.
- Added BitOffset (strong type)
- Expand 24 to 32 bit 
- Python bindings for decoding my302
- Improved docs

docs/src/index.rst

@@ -22,21 +22,14 @@ AARE
 
 .. toctree::
     :caption: Python API
-    :maxdepth: 1
-    
-    pyFile
-    pycalibration
-    pyCtbRawFile
-    pyClusterFile
-    pyClusterVector
-    pyCluster
-    pyInterpolation
-    pyJungfrauDataFile
-    pyRawFile
-    pyRawMasterFile
-    pyVarClusterFinder
+    :maxdepth: 3
+    :hidden:
 
+    pycalibration
+    python/cluster/index
+    python/file/index
     pyFit
+    
 
 
 .. toctree::