Add readme

README.md

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+# Lefty
+
+This app is designed to help you find the recipes by scanning the ingredients you have in order to reduce food waste.
+
+<img src="docs/homePage.png" width="200" alt="Home Page">
+
+## Features
+
+- **Ingredient Scanning:** Easily add ingredients by scanning them with your device's camera.
+
+  <img src="docs/ingredientScanner.png" width="200" alt="Scan ingredient">
+
+- **Ingredient Management:** Customise your ingredients list by manually adding or deleting ingredients.
+
+  <img src="docs/ingredientManagement.png" width="200" alt="Ingredient Management">
+
+- **Recipe Search:** Search for mouth-watering recipes that match your ingredients.
+
+  <img src="docs/recipeList.png" width="200" alt="Recipe Search">
+
+- **Detailed Recipe View:** View more information about each recipe, including the description, list of required ingredients, and even a step-by-step cooking instructions.
+
+  <img src="docs/detailedRecipe.png" width="200" alt="Detailed Recipe View">
+
+- **Filter and Sort:** You can filter and sort to narrow down your recipe choices by dish type, cuisine, dietary preferences, and more.
+
+  <img src="docs/sortAndFilter.png" width="200" alt="Sort and Filter">
+
+## Installation (for frontend)
+
+1. Clone the repository to your local machine:
+
+   ```bash
+   git clone https://github.com/ruishanteo/lefty.git
+   ```
+
+2. Navigate to the project directory:
+
+   ```bash
+   cd lefty
+   ```
+
+3. Install dependencies using your preferred package manager:
+
+   ```bash
+   npm install
+   # or
+   yarn install
+   ```
+
+4. Run the app on a connected device or emulator:
+
+   ```bash
+   npm start
+   # or
+   yarn start
+   ```
+
+5. Follow the on-screen instructions to launch the app.
+
+## Technologies used
+
+<p>
+
+<img align="left" alt="React Native" width="26px" src="https://cdn.jsdelivr.net/gh/devicons/devicon/icons/react/react-original.svg" style="padding-right:10px;" />
+<img align="left" alt="JavaScript" width="26px" src="https://cdn.jsdelivr.net/gh/devicons/devicon/icons/javascript/javascript-original.svg" style="padding-right:10px;" />
+<img align="left" alt="Python" width="26px" src="https://cdn.jsdelivr.net/gh/devicons/devicon/icons/python/python-original.svg" style="padding-right:10px;" />
+<img align="left" alt="Google Vision AI" width="26px" src="https://cdn.jsdelivr.net/gh/devicons/devicon/icons/googlecloud/googlecloud-original.svg" style="padding-right:10px;" />
+<img align="left" alt="Git" width="26px" src="https://cdn.jsdelivr.net/gh/devicons/devicon/icons/git/git-original.svg" style="padding-right:10px;" />
+
+&nbsp;
+
+</p>