Update README.md

Author: jtviolet

README.md

@@ -1 +1,45 @@
 # FireEye Client Library for Python
+This is the Python client library for all things FireEye API. Currently it only supports FireEye's Detection On Demand but will have support for other FireEye API's soon.
+
+Installation
+------------
+
+To install the Python client library:
+```
+git clone https://github.com/fireeye/fireeye-python.git
+cd fireeye-python
+pip install -r requirements.txt
+python setup.py bdist_wheel
+pip install -e .
+```
+
+Usage
+-----
+Begin by importing the 'fireeye' module:
+```python
+import fireeyepy
+```
+
+## Detection On Demand
+Construct a Detection object with your api key:
+```python
+detection = fireeye.Detection(key=api_key)
+```
+### Upload A File
+```python
+response = detection.submit_file(
+  files={
+    "file": ('maliciousfile.txt', open('./maliciousfile.txt', 'rb'))
+  }
+)
+```
+
+### Retrieve File Results
+```python
+response = detection.get_file_result(submission_id)
+```
+
+### Perform Hash Lookup
+```python
+response = detection.get_hash_lookup(hash)
+```