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/zod-to-json-schema/dist/esm/parsers/literal.js

@@ -0,0 +1,21 @@
+export function parseLiteralDef(def, refs) {
+    const parsedType = typeof def.value;
+    if (parsedType !== "bigint" &&
+        parsedType !== "number" &&
+        parsedType !== "boolean" &&
+        parsedType !== "string") {
+        return {
+            type: Array.isArray(def.value) ? "array" : "object",
+        };
+    }
+    if (refs.target === "openApi3") {
+        return {
+            type: parsedType === "bigint" ? "integer" : parsedType,
+            enum: [def.value],
+        };
+    }
+    return {
+        type: parsedType === "bigint" ? "integer" : parsedType,
+        const: def.value,
+    };
+}