Update project structure: add README and example credentials, remove sensitive credentials file

.gitignore

@@ -3,3 +3,4 @@
 .vscode/c_cpp_properties.json
 .vscode/launch.json
 .vscode/ipch
+src/credentials.h

README.md

@@ -0,0 +1,43 @@
+# LED Matrix Monitor 2
+
+A customizable LED matrix display project using ESP32 and MAX7219 LED matrix modules. This project creates a "Matrix"-style rain effect combined with a functional digital clock that synchronizes time via WiFi/NTP.
+
+![LED Matrix Monitor 2](https://via.placeholder.com/800x400?text=LED+Matrix+Monitor+2)
+
+## Features
+
+- Matrix-style falling characters rain effect with realistic brightness simulation
+- Real-time clock display with seconds progress bar
+- WiFi connectivity for automatic time synchronization with NTP servers
+- Configurable LED brightness levels
+- Multiple text display modes (scrolling, centered)
+- Modular code architecture for easy customization
+
+## Hardware Requirements
+
+- ESP-WROOM-32 development board
+- 4 MAX7219 LED matrix modules (8x8 each, cascaded)
+- Micro USB cable for programming and power
+- Jumper wires for connections
+
+## Wiring Diagram
+
+| ESP32 Pin | MAX7219 Pin |
+|-----------|-------------|
+| 5         | CS          |
+| 23        | DIN         |
+| 18        | CLK         |
+| GND       | GND         |
+| 5V        | VCC         |
+
+## Software Dependencies
+
+- PlatformIO IDE
+- Arduino framework for ESP32
+- [MD_MAX72XX](https://github.com/MajicDesigns/MD_MAX72XX) library for controlling MAX7219 LED matrices
+- ESP32 Arduino Core (includes WiFi and Time libraries)
+
+## Project Structure
+
+The code is organized into modules to improve maintainability:
+

src/credentials.h.exmple

@@ -3,7 +3,7 @@
 
 // WiFi credentials
 #define WIFI_SSID "MatCaverna"      // Replace with your WiFi SSID
-#define WIFI_PASSWORD "nonlasai?"   // Replace with your WiFi password
+#define WIFI_PASSWORD "*****"   // Replace with your WiFi password
 
 // NTP Server settings
 #define NTP_SERVER "pool.ntp.org"