Send logs as file, create sudoer user, and improve bootloader reliability

iridium_installer/main.py

@@ -57,7 +57,14 @@ def main():
 
                 print("Step 4: Configuring Bootloader...")
                 logger.info("INSTALLER_BOOTLOADER: Configuring bootloader")
-                configure_system(mount_root, parts)
+                
+                # Default user for CLI install (since we don't have user input in CLI args yet)
+                user_info = {
+                    "username": "admin",
+                    "password": "password",  # Insecure default for CLI dev testing
+                    "hostname": "iridium-cli"
+                }
+                configure_system(mount_root, parts, user_info)
                 logger.info("INSTALLER_BOOTLOADER_COMPLETE: Bootloader configured")
 
                 print("Installation complete! You can now reboot.")