docs: update README and package.json version to 0.15.0

Author: marcuscastelo

README.md

@@ -5,7 +5,7 @@ https://macroflows.vercel.app
 
 A modular, high-performance nutrition tracking platform built with SolidJS, strong typing, and clean architecture principles.
 
-![Version](https://img.shields.io/badge/version-0.14.0-blue.svg)
+![Version](https://img.shields.io/badge/version-0.15.0-blue.svg)
 ![TypeScript](https://img.shields.io/badge/TypeScript-007ACC?logo=typescript&logoColor=white)
 ![SolidJS](https://img.shields.io/badge/SolidJS-2c4f7c?logo=solid&logoColor=white)
 ![Supabase](https://img.shields.io/badge/Supabase-3ECF8E?logo=supabase&logoColor=white)

package.json

@@ -2,7 +2,7 @@
   "name": "macroflows",
   "private": true,
   "type": "module",
-  "version": "0.14.0",
+  "version": "0.15.0",
   "packageManager": "pnpm@10.12.1",
   "scripts": {
     "assume-unchanged": "git update-index --assume-unchanged src/app-version.json",