Added sending private transactions initial content (#1301)

Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>

docs/Privacy/Creating-Sending-Private-Transactions.md

@@ -0,0 +1,11 @@
+description: Creating and sending private transactions
+<!--- END of page meta data -->
+
+# Creating and Sending Private Transactions 
+
+The [EEA JavaScript library](https://github.com/PegaSysEng/eeajs) is provided to create and send signed 
+RLP-encoded private transactions. 
+
+!!! note
+    Private transactions either deploy contracts or call contract functions. 
+    Ether transfers cannot be a private transaction. 

mkdocs.yml

@@ -89,6 +89,7 @@ nav:
         - Overview: Privacy/Privacy-Overview.md
         - Processing Private Transactions: Privacy/Private-Transaction-Processing.md
         - Configuring a Privacy-Enabled Network: Privacy/Configuring-Privacy.md
+        - Creating and Sending Private Transactions: Privacy/Creating-Sending-Private-Transactions.md
     - Permissions:
         - Overview: Permissions/Permissioning-Overview.md
         - Local Permissions: Permissions/Local-Permissioning.md