[PLT-0] add sphinx documentation for Embedding type (#1568)

Author: mrobers1982

docs/labelbox/embedding.rst

@@ -0,0 +1,7 @@
+Embedding
+===============================================================================================
+
+.. automodule:: labelbox.schema.embedding
+   :members:
+   :exclude-members: EmbeddingVector
+   :show-inheritance:

docs/labelbox/index.rst

@@ -16,6 +16,7 @@ Labelbox Python SDK Documentation
     datarow
     datarow-metadata
     dataset
+    embedding
     enums
     exceptions
     export-task
@@ -41,4 +42,4 @@ Labelbox Python SDK Documentation
     task
     task-queue
     user
-    webhook
+    webhook

libs/labelbox/src/labelbox/schema/embedding.py

@@ -64,8 +64,8 @@ def import_vectors_from_file(self,
         is valid JSON, but the entire file itself is NOT.  The format of the
         file looks like:
 
-            {"id": DATAROW ID1, "vector": [ array of floats ]}
-            {"id": DATAROW ID2, "vector": [ array of floats ]}
+            {"id": DATAROW ID1, "vector": [ array of floats ]}\n
+            {"id": DATAROW ID2, "vector": [ array of floats ]}\n
             {"id": DATAROW ID3, "vector": [ array of floats ]}
 
         The vectors are added to the system in an async manner and it may take