refactor: Move Astro to root, use PORT env (default 80), allow all hosts

- Move Astro files from dealplustech-astro/ to project root
- Update Dockerfile: PORT environment variable (default 80)
- Add vite.config.ts with allowedHosts: true
- Matches nixpacks behavior for Easypanel deployment
- No hardcoded ports or domains

node_modules/svgo/plugins/removeNonInheritableGroupAttrs.js

@@ -0,0 +1,36 @@
+import {
+  attrsGroups,
+  inheritableAttrs,
+  presentationNonInheritableGroupAttrs,
+} from './_collections.js';
+
+export const name = 'removeNonInheritableGroupAttrs';
+export const description =
+  "removes non-inheritable group's presentational attributes";
+
+/**
+ * Remove non-inheritable group's "presentation" attributes.
+ *
+ * @author Kir Belevich
+ *
+ * @type {import('../lib/types.js').Plugin}
+ */
+export const fn = () => {
+  return {
+    element: {
+      enter: (node) => {
+        if (node.name === 'g') {
+          for (const name of Object.keys(node.attributes)) {
+            if (
+              attrsGroups.presentation.has(name) &&
+              !inheritableAttrs.has(name) &&
+              !presentationNonInheritableGroupAttrs.has(name)
+            ) {
+              delete node.attributes[name];
+            }
+          }
+        }
+      },
+    },
+  };
+};