Readme amendments (#335)

## Description

* Fix Heading in `Quickstart - Running Llama` and make it compatible
* Update link to ready-made models in table of contents
* Remove unnecessary horizontal bars from `Quickstart - Running Llama`
* Rephrase section with minimal supported versions
* Make more visible names of examples in  `Example` section
* And emoji to warning section and unlink from table of content as it is
a part of the `Example` section

### 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 necessary.

### Screenshots

Not applicable

### Related issues

Not applicable

### Checklist

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

### Additional notes

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

---------

Co-authored-by: Jakub Gonera <[email protected]>

Author: msluszniak

README.md

@@ -11,12 +11,11 @@
 **Table of contents:**
 
 - [Compatibility](#compatibility)
-- [Ready-made models 🤖](#readymade-models-)
+- [Ready-made models 🤖](#ready-made-models-)
 - [Documentation 📚](#documentation-)
-- [🦙 Quickstart - Running Llama](#-quickstart---running-llama)
+- [Quickstart - Running Llama 🦙](#quickstart---running-llama-)
 - [Minimal supported versions](#minimal-supported-versions)
 - [Examples 📲](#examples-)
-- [Warning](#warning)
 - [License](#license)
 - [What's next?](#whats-next)
 
@@ -35,7 +34,7 @@ To run any AI model in ExecuTorch, you need to export it to a `.pte` format. If
 Take a look at how our library can help build you your React Native AI features in our docs:  
 https://docs.swmansion.com/react-native-executorch
 
-# 🦙 **Quickstart - Running Llama**
+## **Quickstart - Running Llama** 🦙
 
 **Get started with AI-powered text generation in 3 easy steps!**
 
@@ -47,8 +46,6 @@ yarn add react-native-executorch
 cd ios && pod install && cd ..
 ```
 
----
-
 ### 2️⃣ **Setup & Initialization**
 
 Add this to your component file:
@@ -72,8 +69,6 @@ function MyComponent() {
 }
 ```
 
----
-
 ### 3️⃣ **Run the model!**
 
 ```tsx
@@ -91,16 +86,18 @@ const handleGenerate = async () => {
 
 ## Minimal supported versions
 
-The minimal supported version is 17.0 for iOS and Android 13.
+The minimal supported version are: 
+* iOS 17.0
+* Android 13
 
 ## Examples 📲
 
 We currently host a few example apps demonstrating use cases of our library:
 
-- examples/llm - chat application showcasing use of LLMs
-- examples/speech-to-text - Whisper and Moonshine models ready for transcription tasks
-- examples/computer-vision - computer vision related tasks
-- examples/text-embeddings - computing text representations for semantic search
+- `examples/llm` - chat application showcasing use of LLMs
+- `examples/speech-to-text` - Whisper and Moonshine models ready for transcription tasks
+- `examples/computer-vision` - computer vision related tasks
+- `examples/text-embeddings` - computing text representations for semantic search
 
 If you would like to run it, navigate to it's project directory, for example `examples/llm` from the repository root and install dependencies with:
 
@@ -128,7 +125,7 @@ or iOS:
 yarn expo run:ios
 ```
 
-### Warning
+### Warning ⚠️
 
 Running LLMs requires a significant amount of RAM. If you are encountering unexpected app crashes, try to increase the amount of RAM allocated to the emulator.