♻️ Restructure: Move Astro to repository root

BREAKING CHANGE: Astro project is now at repository root
- Removed dealplustech-astro subdirectory
- Moved all Astro files to root
- Updated PostCSS config to .cjs
- Removed old Next.js files

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✅ Ready for Easypanel deployment (no root dir needed)

Migration path:
- Old structure: /dealplustech-astro/
- New structure: / (root)

dealplustech-astro/node_modules/commander/index.js

@@ -1,26 +0,0 @@
-const { Argument } = require('./lib/argument.js');
-const { Command } = require('./lib/command.js');
-const { CommanderError, InvalidArgumentError } = require('./lib/error.js');
-const { Help } = require('./lib/help.js');
-const { Option } = require('./lib/option.js');
-
-/**
- * Expose the root command.
- */
-
-exports = module.exports = new Command();
-exports.program = exports; // More explicit access to global command.
-// createArgument, createCommand, and createOption are implicitly available as they are methods on program.
-
-/**
- * Expose classes
- */
-
-exports.Command = Command;
-exports.Option = Option;
-exports.Argument = Argument;
-exports.Help = Help;
-
-exports.CommanderError = CommanderError;
-exports.InvalidArgumentError = InvalidArgumentError;
-exports.InvalidOptionArgumentError = InvalidArgumentError; // Deprecated