Remove Product Hunt badge & little improvement to installation (#352)

## Description

<!-- Provide a concise and descriptive summary of the changes
implemented in this PR. -->

### Type of change

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [x] Documentation update (improves or adds clarity to existing
documentation)

### Tested on

- [x] iOS
- [x] Android

### Testing instructions

No testing needed

### Screenshots

Not applicable

### Related issues

Not applicable

### Checklist

- [x] I have performed a self-review of my code
- [x] I have commented my code, particularly in hard-to-understand areas
- [x] I have updated the documentation accordingly
- [x] My changes generate no new warnings

### Additional notes

<!-- Include any additional information, assumptions, or context that
reviewers might need to understand this PR. -->

Author: msluszniak

README.md

@@ -2,11 +2,7 @@
   <h1 align="left" style="display:inline-block">React Native ExecuTorch 
     <!-- Discord Badge -->
     <a href="https://discord.gg/ZGqqY55qkP">
-      <img src="https://img.shields.io/discord/464786597288738816.svg?label=Join%20Us&logo=discord&style=flat-square&color=7289DA" alt="Join us on Discord"/>
-    </a>
-    <!-- Product Hunt Badge -->
-    <a href="https://www.producthunt.com/posts/react-native-executorch?embed=true&utm_source=badge-featured&utm_medium=badge&utm_souce=badge-react&#0045;native&#0045;executorch" target="_blank" rel="noopener noreferrer">  
-      <img src="https://api.producthunt.com/widgets/embed-image/v1/featured.svg?post_id=891872&theme=neutral&t=1742503583297" alt="React Native ExecuTorch - Product Hunt" height="34" align="right" />
+      <img src="https://img.shields.io/badge/Discord-Join%20Us-00008B?logo=discord&logoColor=white&style=for-the-badge" alt="Join our Discord community">
     </a>
   </h1>
 </div>
@@ -52,7 +48,8 @@ https://docs.swmansion.com/react-native-executorch
 ```bash
 # Install the package
 yarn add react-native-executorch
-cd ios && pod install && cd ..
+# Depending on the platform choose either ios or android
+yarn expo run:< ios | android >
 ```
 
 ### 2️⃣ **Setup & Initialization**