Update 'README.md'

initialization

README.md

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-# data-transport
+# Introduction
 
-reusable data transport object
+This project implements an abstraction of objects that can have access to a variety of data stores, implementing read/write functions associated and specific to the data-sources. The classes implement functionalities against :
+
+    - Rabbitmq-server
+    - Couchdb-server
+    - Http Session : {csv,tab,pipe,sql}
+    - Disk{Reader|Writer} : csv, tab, pipe, sql on disk
+
+
+### Usage
+
+The basic usage revolves around a factory class (to be a singleton)
+
+    import transport
+    
+    p = {"uri":"https://your-server:5984","dbname":"mydatabase","doc":"doc_id"}
+    couchdb = transport.Factory.instance(type='CouchdbReader',args=p)
+    
+    #
+    # let's execute a view
+    #
+    result = couchdb.view('view_name/function',key=value)
+    info   = couchdb.read()