Update README to provide more clarity

# OpenSDK - Contribution Guidelines

# OpenSDK

Thank you for contributing to this project! Please follow the guidelines below to ensure a smooth collaboration.

Open source SDK to abstract CAMARA/GSMA Transformation Functions (TFs) for Edge Cloud platforms & 5G network cores

## Branch Naming Convention

Each partner should create a feature branch following the naming convention based on the type of adapter they are contributing:

## Contributing Guidelines

Thank you for contributing to this project. Please follow the guidelines below to ensure a smooth collaboration.

### Directory Structure

Each contribution should be made in the appropriate directory:

- **EdgeCloud Adapters** → `src/edgecloud/clients/`

- **Network Adapters** → `src/network/clients/`

### Testing (Mandatory)

To merge a feature branch into `main`, the adapter **must pass the unit tests**. Instructions to do so available at [TESTING.md](docs/TESTING.md)

### Contributing

1. **Check Guidelines at [CONTRIBUTING.md](docs/CONTRIBUTING.md).**

2. **Create a New Branch** following the naming convention.

3. **Develop Your Feature** inside the correct directory.

4. **Ensure All Tests Pass**  before the merge.

5. **Submit a Merge Request (MR)** to the `main` branch.

### Branch Naming Convention

Each partner should create a feature branch following the naming convention based on the type of adapter they are contributing:

### ☁️ EdgeCloud Adapters

#### ☁️ EdgeCloud Adapters

Branch Name Format:

```

feature/add-edgecloud-<EDGE_CLOUD_PLATFORM_NAME>

feature/add-edgecloud-i2edge

```

### 🌐 Network Adapters

#### 🌐 Network Adapters

Branch Name Format:

```

feature/add-network-<5G_CORE_NAME>

feature/add-network-open5gs

```

## Directory Structure

Each contribution should be made in the appropriate directory:

- **EdgeCloud Adapters** → `src/edgecloud/clients/`

- **Network Adapters** → `src/network/clients/`

## Testing (Mandatory)

To merge a feature branch into `main`, the adapter **must pass the unit tests** under the `/tests` directory. Please use `/tests/edgecloud` for edgecloud, and `/tests/network` for the 5G cores). Instructions to do so available at [TESTING.md](docs/TESTING.MD)

## Contributing

1. **Check Guidelines at [CONTRIBUTING.md](docs/CONTRIBUTING.md).**

2. **Create a New Branch** following the naming convention.

3. **Develop Your Feature** inside the correct directory.

4. **Satisfy Unit Tests** located under `/tests`.

5. **Submit a Merge Request (MR)** to the `main` branch.

6. **Ensure All Tests Pass** before the merge.

## Sequence Diagram Example

Refer to the sequence diagram example from `docs/workflows/edgecloud/get_av_zones.md` for guidance on workflow structure: