Update README.md to improve configuration and usage instructions

- Added spacing for better readability in the Etcd, MongoDB, Authentication, and Installation sections.
- Corrected the reference from SocketClient to SocketUser in the Adding New Features section.
- Enhanced the Troubleshooting section with a verification test for etcd.

README.md

@@ -30,6 +30,7 @@ A WebSocket microservice for FarmControl that handles real-time communication an
 The application uses `config.json` for configuration. Update the following sections:
 
 ### Etcd Configuration
+
 ```json
 {
   "database": {
@@ -42,6 +43,7 @@ The application uses `config.json` for configuration. Update the following secti
 ```
 
 ### MongoDB Configuration
+
 ```json
 {
   "database": {
@@ -53,6 +55,7 @@ The application uses `config.json` for configuration. Update the following secti
 ```
 
 ### Authentication Configuration
+
 ```json
 {
   "auth": {
@@ -70,11 +73,13 @@ The application uses `config.json` for configuration. Update the following secti
 ## Running the Application
 
 ### Development
+
 ```bash
 npm run dev
 ```
 
 ### Production
+
 ```bash
 npm start
 ```
@@ -84,6 +89,7 @@ npm start
 ### Installation
 
 #### Using Docker
+
 ```bash
 docker run -d --name etcd \
   -p 2379:2379 \
@@ -95,19 +101,23 @@ docker run -d --name etcd \
 ```
 
 #### Using Homebrew (macOS)
+
 ```bash
 brew install etcd
 etcd
 ```
 
 #### Using apt (Ubuntu/Debian)
+
 ```bash
 sudo apt-get install etcd
 sudo systemctl start etcd
 ```
 
 ### Verification
+
 Test that etcd is running:
+
 ```bash
 curl http://localhost:2379/version
 ```
@@ -139,6 +149,7 @@ The service exposes WebSocket endpoints for:
 ## Development
 
 ### Project Structure
+
 ```
 src/
 ├── auth/           # Authentication logic
@@ -152,7 +163,7 @@ src/
 ### Adding New Features
 
 1. **Database operations**: Use the `etcdServer` instance for etcd operations
-2. **WebSocket events**: Extend the `SocketClient` class
+2. **WebSocket events**: Extend the `SocketUser` class
 3. **Authentication**: Extend the `KeycloakAuth` class
 
 ## Troubleshooting
@@ -175,4 +186,4 @@ The application uses log4js for logging. Set the log level in the configuration:
 }
 ```
 
-Available log levels: `trace`, `debug`, `info`, `warn`, `error` 
+Available log levels: `trace`, `debug`, `info`, `warn`, `error`