Fix preview images

Author: ayush-pandey047

en/beginner-projects/digital-clock.md

@@ -1,6 +1,6 @@
 # ⏰ Digital Clock
 
-![Digital Clock Preview](../../assets/digital-clock.png)
+![Digital Clock Preview](../../assets/digital-clock.PNG)
 
 ## Description
 A live digital clock that shows the current time in hours, minutes, and seconds.

en/beginner-projects/electronic-drum-kit.md

@@ -1,6 +1,6 @@
 # 🥁 Drum Kits
 
-![Drum Kits Preview](../../assets/drum-kit.png)
+![Drum Kits Preview](../../assets/drum-kit.PNG)
 
 ## Description
 Create a fun interactive drum kit that plays sounds when you click buttons or press keys.

en/beginner-projects/image-search.md

@@ -1,6 +1,6 @@
 # 🔍 Image Search App
 
-![Image Search App Preview](../../assets/image-search.png)
+![Image Search App Preview](../../assets/image-search.PNG)
 
 ## Description
 Build an app that lets users search for images using keywords and displays results dynamically.

en/beginner-projects/monthly-calendar.md

@@ -1,6 +1,6 @@
 # 📅 Month Calendar
 
-![Month Calendar Preview](../../assets/calendar.png)
+![Month Calendar Preview](../../assets/calendar.PNG)
 
 ## Description
 Create a simple interactive calendar that displays the days of a selected month and year.

en/beginner-projects/random-photos-generator.md

@@ -1,6 +1,6 @@
 # 📸 Random Photos
 
-![Random Photos Preview](../../assets/random-photos.png)
+![Random Photos Preview](../../assets/random-photos.PNG)
 
 ## Description
 Create a fun app that displays random photos from a collection each time you click a button.

en/beginner-projects/rock-paper-scissors-game.md

@@ -1,6 +1,6 @@
 # ✊✋✌️ Rock Paper Scissors Game
 
-![Rock Paper Scissors Preview](../../assets/rps-game.png)
+![Rock Paper Scissors Preview](../../assets/rps-game.PNG)
 
 ## Description
 Build a classic Rock Paper Scissors game where you play against the computer. Choose your move and see who wins!

en/beginner-projects/simple-stopwatch.md

@@ -1,6 +1,6 @@
 # ⏱️ Stopwatch
 
-![Stopwatch Preview](../../assets/stopwatch.png)
+![Stopwatch Preview](../../assets/stopwatch.PNG)
 
 ## Description
 Create a simple stopwatch app that lets users start, stop, and reset a timer to track elapsed time.

en/beginner-projects/tip-calculator.md

@@ -1,6 +1,6 @@
 # 💸 Tip Calculator
 
-![Tip Calculator Preview](../../assets/tip-calculator.png)
+![Tip Calculator Preview](../../assets/tip-calculator.PNG)
 
 ## Description
 Create a project where users can calculate tips based on a given bill amount and tip percentage.

en/beginner-projects/video-trailer-popup.md

@@ -1,6 +1,6 @@
 # 📽️ Video Trailer Popup
 
-![Video Trailer Popup Preview](../../assets/video-trailer.png)
+![Video Trailer Popup Preview](../../assets/video-trailer.PNG)
 
 ## Description
 Create a popup modal that plays a video trailer when triggered. Perfect for movie or product previews!

en/beginner-projects/weather-app.md

@@ -1,6 +1,6 @@
 # ☁️ Weather App
 
-![Weather App Preview](../../assets/waether-app.png)
+![Weather App Preview](../../assets/waether-app.PNG)
 
 ## Description
 A simple app that fetches and displays weather information based on user location or search.