chore: bump version to 1.12.4

Added screenshot to README and updated play instructions.

README.md

@@ -2,12 +2,12 @@
 
 ## Description
 
-![Nonograms Application Screenshot](public/screenshot.png)
-
 Nonograms is a modern, fast, and accessible logic puzzle game (also known as Picross or Griddlers). Solve pixel-art puzzles by marking cells according to numeric clues for rows and columns. The app features:
 - Clean UX with keyboard and touch support
 - Multiple languages and PWA support (installable on desktop and mobile)
 - Difficulty simulation and guide to learn solving strategies
 - Shareable puzzles and persistent progress
 
+![Nonograms Application Screenshot](public/screenshot.png)
+
 Play online at https://nonograms.7u.pl or install as a PWA for an app-like experience.

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "vue-nonograms-solid",
-  "version": "1.12.3",
+  "version": "1.12.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "vue-nonograms-solid",
-      "version": "1.12.3",
+      "version": "1.12.4",
       "dependencies": {
         "fireworks-js": "^2.10.8",
         "flag-icons": "^7.5.0",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-nonograms-solid",
-  "version": "1.12.3",
+  "version": "1.12.4",
   "homepage": "https://nonograms.7u.pl/",
   "type": "module",
   "scripts": {