Update README.md

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Author: elliotwoods

README.md

@@ -3,6 +3,16 @@ Python-Hackpad-API
 
 A simple wrapper library for the Hackpad API. [Hackpad API Documentation](https://hackpad.com/Public-Hackpad-API-Draft-nGhsrCJFlP7)
 
+Installation 
+==================
+
+Navigate to the folder where you have downloaded this repo, and type
+
+```
+easy_install .
+```
+
+into your terminal / command prompt.
 
 Usage
 ==================
@@ -11,3 +21,9 @@ Usage
 temp = Hackpad('your_hackpad_subdomain','your_hackpad_client_id','your_hackpad_secret')
 my_hackpads = temp.list_all()
 ````
+
+Note:
+
+* For `your_hackpad_subdomain`, just type the stem, not the full domain name (i.e. `mysubdomain`, not `http://mysubdomain.hackpad.com`, etc).
+* Your Client ID and Secret for the different subdomains you are signed into. Make sure to use the correct keys for the subdomain you are signing into.
+