Add comprehensive UVX installation guide with step-by-step instructions (#47)

* Initial plan for issue

* Add comprehensive UVX installation guide with step-by-step instructions

Co-authored-by: Matanga1-2 <24847398+Matanga1-2@users.noreply.github.com>

* Update README.md

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Matanga1-2 <24847398+Matanga1-2@users.noreply.github.com>
Co-authored-by: Matanga1-2 <matangrady@gmail.com>

Author: Copilot

README.md

@@ -57,7 +57,60 @@ Port MCP Server can be installed using two methods:
 
 ### Package Installation (uvx)
 
-Use our official [Port MCP server](https://pypi.org/project/mcp-server-port/) package.
+Use our official [Port MCP server](https://pypi.org/project/mcp-server-port/) package with uvx for easy installation and management.
+
+#### Step-by-Step Installation Guide
+
+1. **Create a Python Virtual Environment** (Recommended)
+   ```bash
+   python -m venv venv
+   ```
+
+2. **Activate the Virtual Environment**
+   ```bash
+   # On Linux/macOS:
+   source venv/bin/activate
+   
+   # On Windows:
+   venv\Scripts\activate
+   ```
+
+3. **Install the UV Package Manager**
+   ```bash
+   # Using Homebrew (macOS/Linux):
+   brew install uv
+   
+   # Or using pip:
+   pip install uv
+   ```
+
+4. **Verify UV Installation**
+   ```bash
+   which uv
+   ```
+
+5. **Set Required Environment Variables**
+   ```bash
+   export PORT_CLIENT_ID="your_port_client_id"
+   export PORT_CLIENT_SECRET="your_port_client_secret"
+   export PORT_REGION="EU"  # or "US"
+   ```
+
+6. **Set Python Path** (if using virtual environment)
+   ```bash
+   export PYTHONPATH="/path/to/your/venv/bin/python"
+   ```
+
+7. **Run the MCP Server**
+   ```bash
+   uvx mcp-server-port --client-id your_port_client_id --client-secret your_port_client_secret --region EU --log-level DEBUG
+   ```
+
+8. **Verify Server is Running**
+   You should start seeing logs from the server. You can also check the log file:
+   ```bash
+   cat /tmp/port-mcp.log
+   ```
 
 ### Docker Installation
 
@@ -67,6 +120,8 @@ Use our official Docker image:
 docker pull ghcr.io/port-labs/port-mcp-server:latest
 ```
 
+See below for detailed instructions on each MCP client.
+
 ### Additional configurations
 
 You can pass these additional arguments for more advanced configuration: