♻️ 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/astro/dist/runtime/server/astro-component.js

@@ -1,37 +0,0 @@
-import { AstroError, AstroErrorData } from "../../core/errors/index.js";
-function validateArgs(args) {
-  if (args.length !== 3) return false;
-  if (!args[0] || typeof args[0] !== "object") return false;
-  return true;
-}
-function baseCreateComponent(cb, moduleId, propagation) {
-  const name = moduleId?.split("/").pop()?.replace(".astro", "") ?? "";
-  const fn = (...args) => {
-    if (!validateArgs(args)) {
-      throw new AstroError({
-        ...AstroErrorData.InvalidComponentArgs,
-        message: AstroErrorData.InvalidComponentArgs.message(name)
-      });
-    }
-    return cb(...args);
-  };
-  Object.defineProperty(fn, "name", { value: name, writable: false });
-  fn.isAstroComponentFactory = true;
-  fn.moduleId = moduleId;
-  fn.propagation = propagation;
-  return fn;
-}
-function createComponentWithOptions(opts) {
-  const cb = baseCreateComponent(opts.factory, opts.moduleId, opts.propagation);
-  return cb;
-}
-function createComponent(arg1, moduleId, propagation) {
-  if (typeof arg1 === "function") {
-    return baseCreateComponent(arg1, moduleId, propagation);
-  } else {
-    return createComponentWithOptions(arg1);
-  }
-}
-export {
-  createComponent
-};