♻️ 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

✅ 11 pages built successfully
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✅ Privacy/Terms links in footer
✅ Ready for Easypanel deployment (no root dir needed)

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

dealplustech-astro/node_modules/astro/dist/runtime/client/dev-toolbar/settings.js

@@ -1,53 +0,0 @@
-import { isValidPlacement } from "./ui-library/window.js";
-const defaultSettings = {
-  disableAppNotification: false,
-  verbose: false,
-  placement: "bottom-center"
-};
-const settings = getSettings();
-function getSettings() {
-  let _settings = { ...defaultSettings };
-  const configPlacement = globalThis.__astro_dev_toolbar__?.placement;
-  if (configPlacement && isValidPlacement(configPlacement)) {
-    _settings.placement = configPlacement;
-  }
-  const toolbarSettings = localStorage.getItem("astro:dev-toolbar:settings");
-  if (toolbarSettings) {
-    _settings = { ..._settings, ...JSON.parse(toolbarSettings) };
-  }
-  function updateSetting(key, value) {
-    _settings[key] = value;
-    localStorage.setItem("astro:dev-toolbar:settings", JSON.stringify(_settings));
-  }
-  function log(message, level = "log") {
-    console[level](
-      `%cAstro`,
-      "background: linear-gradient(66.77deg, #D83333 0%, #F041FF 100%); color: white; padding-inline: 4px; border-radius: 2px; font-family: monospace;",
-      message
-    );
-  }
-  return {
-    get config() {
-      return _settings;
-    },
-    updateSetting,
-    logger: {
-      log,
-      warn: (message) => {
-        log(message, "warn");
-      },
-      error: (message) => {
-        log(message, "error");
-      },
-      verboseLog: (message) => {
-        if (_settings.verbose) {
-          log(message);
-        }
-      }
-    }
-  };
-}
-export {
-  defaultSettings,
-  settings
-};