update readme with how to run code

recipes/ljspeech/xtts_v2/README.md

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+
+# Coqui AI TTS
+
+This repository contains the code for training a text-to-speech (TTS) model using Coqui AI's TTS framework.
+
+## Installation and Configuration
+
+1. **Clone the repository:**
+
+   ```bash
+   git clone https://github.com/owos/coqui-ai-TTS.git
+   ```
+
+2. **Navigate to the repository root:**
+
+   ```bash
+   cd coqui-ai-TTS
+   ```
+
+3. **Install system dependencies and the code:**
+
+   ```bash
+   make system-deps  # Intended to be used on Ubuntu (Debian). Let us know if you have a different OS.
+   make install
+   ```
+
+4. **Open the following file and redefine the specified variables:**
+
+   File: `recipes/ljspeech/xtts_v2/train_gpt_xtts.py`
+
+   ```python
+   # Line 30
+   path = 'the root path to the audio dirs on your machine'
+
+   # Line 31
+   meta_file_train = "the root path to the train CSV on your machine"
+
+   # Line 32
+   meta_file_val = "the root path to the train CSV on your machine"
+
+   # Line 75
+   SPEAKER_REFERENCE = "a list with a single path to a test audio from the afro tts data"
+   ```
+
+## Running the Code
+
+From the repository root, run the following command:
+
+```bash python
+python3 recipes/ljspeech/xtts_v2/train_gpt_xtts.py
+```
+
+You are now ready to train your TTS model using Coqui AI's framework. Enjoy!