Add Big/LittleEndianByteReader to correct categories in jazzy

Author: tsolomko

.jazzy.yaml

@@ -1,6 +1,6 @@
 # Run: sourcekitten doc --spm --module-name BitByteData > docs.json
 sourcekitten_sourcefile: docs.json
-clean: true
+clean: false
 author: Timofey Solomko
 module: BitByteData
 module_version: 2.0.0-test.1
@@ -14,6 +14,8 @@ custom_categories:
     - name: Reading bytes
       children:
       - ByteReader
+      - LittleEndianByteReader
+      - BigEndianByteReader
     - name: Reading bits (and bytes)
       children:
       - BitReader