Update multicoloredline.py

- Migrated from `quo` to `rich` for better terminal output and functionality.  
- Added **syntax-highlighted JSON** output using `rich.syntax.Syntax.  
- Implemented **progress bar** with animated spinner using `rich.progress.Progress.  
- Introduced **structured table display** with `rich.table.Table` for system metrics.  
- Enhanced user feedback with a **completion success message**.  
- Improved readability and interactivity for a better terminal experience.

Colors/multicoloredline.py

@@ -1,8 +1,54 @@
-## This script prints a multicolored line
-# quo can be installed using pip
-
-from quo.console import Console
+from rich.console import Console
+from rich.syntax import Syntax
+from rich.progress import Progress, SpinnerColumn, BarColumn, TextColumn
+from rich.table import Table
+import time
+import json
 
 console = Console()
 
-console.rule(multiclored=True)
+# Fancy separator
+console.rule("[bold]Welcome to Rich Terminal[/bold]", style="rainbow")
+
+# Define some JSON data
+json_data = {
+    "message": "Hello, World!",
+    "status": "success",
+    "code": 200
+}
+
+# Print JSON with syntax highlighting
+syntax = Syntax(json.dumps(json_data, indent=4), "json", theme="monokai", line_numbers=True)
+console.print(syntax)
+
+# Simulating a progress bar
+console.print("\n[bold cyan]Processing data...[/bold cyan]\n")
+
+with Progress(
+    SpinnerColumn(),
+    TextColumn("[progress.description]{task.description}"),
+    BarColumn(),
+    TextColumn("{task.percentage:>3.0f}%"),
+    console=console,
+) as progress:
+    task = progress.add_task("[cyan]Loading...", total=100)
+    for _ in range(100):
+        time.sleep(0.02)
+        progress.update(task, advance=1)
+
+# Create a rich table
+console.print("\n[bold magenta]Results Summary:[/bold magenta]\n")
+
+table = Table(title="System Report", show_header=True, header_style="bold cyan")
+table.add_column("Metric", style="bold yellow")
+table.add_column("Value", justify="right", style="bold green")
+
+table.add_row("CPU Usage", "12.5%")
+table.add_row("Memory Usage", "68.3%")
+table.add_row("Disk Space", "45.7% free")
+
+console.print(table)
+
+# Success message
+console.print("\n[bold green]🎉 Process completed successfully![/bold green]\n")
+console.rule(style="rainbow")