added natlang2latex tutorial readme (#20)

* added Natlang2latex tutorial to readme

* exclude readme file in black lint

projects/NatLang2Latex/README.md

@@ -1,20 +1,31 @@
 # NatLang2Latex
 
-## Setup
+This is a simple natural language to LaTex converter using Google Gemini
 
-Either use the devcontainer included, or have `poetry` installed. Navigate to the root of the project and run
+## Usage
+
+1. Either use the devcontainer included, or have `poetry` installed. Navigate to the root of the project and run
 
 ```terminal
 poetry install
 ```
 
-Then obtain a Google API key, create a `.env` file and fill it in based on the example in `.env.example`. If you want to contribute, you can also run the following set of commands.
+2. Obtain a Google API ke from [Google dev AI](https://ai.google.dev/), create a `.env` file and fill it in based on the example in `.env.example`. If you want to contribute, you can also run the following set of commands.
 
 ```terminal
 poetry install --with dev
-poetry run pre-commit install
 ```
 
+3. Run the application using the following command
+
+```terminal
+poetry run streamlit run main.py
+```
+
+which should open up the application locally hosted in your default browser
+
+![image](resources/homepage.png)
+
 ## Tests
 
 Run tests with

projects/NatLang2Latex/pyproject.toml

@@ -19,3 +19,6 @@ pytest = "^8.1.1"
 [build-system]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"
+
+[tool.black]
+extend-exclude = "^/projects/natlang2latex/README.md"