add setup files to build python package (#35)

MANIFEST.in

+include gpt_index/py.typed
+include gpt_index/VERSION
+include LICENSE
\ No newline at end of file

README.md

@@ -18,14 +18,12 @@ That's where the **GPT Index** data structures come in. Instead of relying on wo
 
 The high-level design exercise of this project is to test the capability of GPT-3 as a general-purpose processor to organize and retrieve data. From our current understanding, related works have used GPT-3 to reason with external db sources (see below); this work links reasoning with knowledge building.
 
-## 🔧 Dependencies
-
-The main third-party package requirements are `transformers`, `openai`, and `langchain`.
-
-All requirements should be contained within the `setup.py` file. To run the package locally without building the wheel, simply do `pip install -r requirements.txt`. 
-
 ## 💻 Example Usage
 
+```
+pip install gpt-index
+```
+
 Examples are in the `examples` folder. Indices are in the `indices` folder (see list of indices below).
 
 To build a tree index do the following:
@@ -48,6 +46,13 @@ To query,
 index.query("<question_text>?", child_branch_factor=1)
 ```
 
+## 🔧 Dependencies
+
+The main third-party package requirements are `transformers`, `openai`, and `langchain`.
+
+All requirements should be contained within the `setup.py` file. To run the package locally without building the wheel, simply do `pip install -r requirements.txt`. 
+
+
 
 ## Index Details
 

gpt_index/VERSION

-0.0.3
+0.0.4