Added new demonic pacts images and theme.

run-backend.bat

@@ -0,0 +1,34 @@
+@echo off
+REM Run the Spring Boot backend server
+
+echo Starting Group Ironmen Backend...
+echo.
+
+REM Change to the backend directory
+cd /d "%~dp0spring-backend"
+
+REM Load environment variables from .env file
+if exist ".env" (
+    echo Loading environment from .env file...
+    for /f "usebackq tokens=1,* delims==" %%a in (".env") do (
+        REM Skip comments and empty lines
+        echo %%a | findstr /r "^#" >nul
+        if errorlevel 1 (
+            if not "%%a"=="" (
+                set "%%a=%%b"
+            )
+        )
+    )
+    echo.
+    echo Database: %DB_USER%@%DB_HOST%:%DB_PORT%/%DB_NAME%
+    echo Server Port: %SERVER_PORT%
+    echo.
+) else (
+    echo Warning: No .env file found in spring-backend directory
+    echo.
+)
+
+REM Run the application
+call gradlew.bat bootRun
+
+pause