feat: new features for local dev

Author: sriramsub

readme.md

@@ -2,6 +2,8 @@
 
 Command line interface for managing Nile databases. Easily create, manage, and monitor your Nile databases from the terminal.
 
+For detailed documentation, visit our [CLI Documentation](https://thenile.dev/docs/cli/introduction).
+
 ## Installation
 
 ### Using npm
@@ -78,20 +80,76 @@ nile --version
 ## Usage
 
 ```bash
-# Show help
+# Show help and version
 nile --help
+nile --version
+
+# Authentication
+nile connect login          # Login using browser-based authentication
+nile connect status        # Check connection status
+nile connect logout       # Clear stored credentials
+
+# Workspace Management
+nile workspace list       # List all workspaces
+nile workspace show      # Show current workspace details
+nile config --workspace <name>  # Set default workspace
+
+# Database Management
+nile db list            # List all databases
+nile db show <name>     # Show database details
+nile db create --name <name> --region <region>  # Create a new database
+nile db delete <name>   # Delete a database
+nile db psql           # Connect using PostgreSQL CLI
+
+# Tenant Management
+nile tenants list                    # List all tenants
+nile tenants create --name "Name"    # Create a tenant
+nile tenants update --id <id> --new_name "Name"  # Update tenant
+nile tenants delete --id <id>        # Delete tenant
+
+# User Management
+nile users create      # Create a new user
+nile users list       # List users
+nile users delete     # Delete a user
+
+# Local Development
+nile local start      # Start local development environment
+nile local stop       # Stop local environment
+nile local info       # Show connection information
+
+# Configuration
+nile config                          # Show current configuration
+nile config --api-key <key>         # Set API key
+nile config --workspace <name>       # Set workspace
+nile config --db <name>             # Set database
+nile config reset                   # Reset configuration
+```
+
+### Global Options
 
-# List available commands
-nile help
+These options work with all commands:
+
+```bash
+--api-key <key>      # API key for authentication
+--workspace <name>   # Workspace to use
+--db <name>         # Database to use
+--format <type>     # Output format: human (default), json, or csv
+--color            # Enable colored output (default: true)
+--no-color         # Disable colored output
+--debug            # Enable debug output
+```
 
-# Configure your workspace
-nile config --workspace <workspace-name>
+### Output Formats
 
-# List databases
+```bash
+# Human-readable (default)
 nile db list
 
-# Create a new database
-nile db create --name <db-name> --region <region>
+# JSON format
+nile --format json db list
+
+# CSV format
+nile --format csv db list
 ```
 
 ## Development Versions