readme. add example.

Author: westonplatter

Diff for: .gitignore

@@ -1,7 +1,6 @@
 config.debug.ini
 config.test.ini
 config.dev.ini
-dev_data/*
 *.csv
 
 # Byte-compiled / optimized / DLL files

Diff for: README.md

@@ -1,24 +1,64 @@
 # fast_arrow
-API client for Robinhood
+A robust yet simple API client for Robinhood.
 
 [![Build Status](https://travis-ci.com/westonplatter/fast_arrow.svg?branch=master)](https://travis-ci.com/westonplatter/fast_arrow)
 [![Coverage
 Status](https://coveralls.io/repos/github/westonplatter/fast_arrow/badge.svg?branch=master)](https://coveralls.io/github/westonplatter/fast_arrow?branch=master)
 
-<hr/>
-WARNING. this project is under active development (pre alpha).
-USE AT YOUR OWN RISK.
-<hr/>
 
+## example
+
+```py
+from fast_arrow import (
+    Client,
+    Stock,
+    OptionChain,
+    Option,
+)
+
+client = Client(username=username, password=password)
+client.authenticate()
+
+#
+# fetch the stock info for TLT
+#
+symbol = "TLT"
+stock = Stock.fetch(client, symbol)
+
+#
+# get the TLT option chain
+#
+stock_id = stock["id"]
+option_chain = OptionChain.fetch(client, stock_id)
+
+#
+# let's get TLT options (calls and puts) for next 3 expiration dates
+#
+oc_id = option_chain["id"]
+eds = option_chain['expiration_dates'][0:3]
+
+#
+# get all options on the TLT option chain
+#
+ops = Option.in_chain(client, oc_id, expiration_dates=eds)
+
+#
+# merge in market data fro TLT option instruments
+#
+ops = Option.mergein_marketdata_list(client, ops)
+```
 
 ## install
+Install the package from pypi
+
+```
 pip install fast_arrow
+```
 
-## example
-@todo
 
 ## philosophy
-`fast_arrow` is Robinhood api client, not an automated trading system. thus, "keep it simple stupid"
+`fast_arrow` is a Robinhood api client, not an automated trading system. Thus,
+the goal is "keep it simple stupid".
 
 Robinhood as an API has a few different core objects,
 - instruments (Option, Stock)
@@ -42,6 +82,11 @@ Run the test suite via,
 make test
 ```
 
+Run all the examples (make sure you add username/password to config.debug.ini),
+```
+sh run_all_examples.sh
+```
+
 Run the test suite against a specific python version,
 ```
 pipenv run tox -e py36

Diff for: config.debug.ini.example

@@ -0,0 +1,3 @@
+[account]
+username = my_username
+password = my_password