Add terminal commands for enhanced functionality

- Implemented 'about' command to provide information about the terminal.
- Created 'banner' command to display a welcome message based on terminal width.
- Added 'bluesky' command to fetch and display recent posts from Bluesky.
- Introduced 'clear' command to clear the terminal screen.
- Developed 'color' command to change the terminal's color scheme.
- Added 'contact' command to display contact information.
- Implemented 'date' command to show the current date and time.
- Created 'echo' command to echo back user messages.
- Added 'github' command to simulate opening the GitHub repository.
- Implemented 'help' command to list available commands.
- Developed 'history' command to show command history.
- Added 'privacy' command to display the privacy policy.
- Implemented 'whoami' command to show user information.

website/scripts/commands/history.js

@@ -0,0 +1,17 @@
+/**
+ * History command - Show command history
+ */
+export default {
+    description: 'Show command history',
+    execute: (term, writeClickable, VERSION, args, commandHistory) => {
+        if (commandHistory.length === 0) {
+            return '\r\n  No command history yet.\r\n';
+        }
+        let output = ['\r\n  Command History:', '  ───────────────'];
+        commandHistory.forEach((cmd, idx) => {
+            output.push(`  ${(idx + 1).toString().padStart(3, ' ')}  ${cmd}`);
+        });
+        output.push('');
+        return output.join('\r\n');
+    }
+};