update entrypoint

Author: Joe Snell

README.md

@@ -4,12 +4,16 @@ This is a framework for building [AWS Lambda Extensions](https://aws.amazon.com/
 
 ## Quickstart
 
+```bash
+$ pip install lef
+```
+
 To get started you can use the default `Extension` class, or extend it.
 
 Example:
 
 ```python
-from lambda_extension_framework import Extension
+from lef import Extension
 
 def handler(event):
     print(event)

pyproject.toml

@@ -1,5 +1,5 @@
 [tool.poetry]
-name = "lambda-extension-framework"
+name = "lef"
 version = "0.1.0"
 description = "Framework for creating AWS Lambda Extensions"
 authors = ["Joe Snell <joepsnell@gmail.com>"]
@@ -16,6 +16,10 @@ keywords = [
     "Extension Framework"
 ]
 
+packages = [
+    { include = "lambda_extension_framework" }
+]
+
 [tool.poetry.dependencies]
 python = "^3.8"
 requests = "^2.24.0"