Add swagger

src/main/java/com/imgfloat/app/config/OpenApiConfig.java

@@ -0,0 +1,19 @@
+package com.imgfloat.app.config;
+
+import io.swagger.v3.oas.models.OpenAPI;
+import io.swagger.v3.oas.models.info.Info;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class OpenApiConfig {
+
+    @Bean
+    public OpenAPI imgfloatOpenAPI() {
+        return new OpenAPI()
+                .info(new Info()
+                        .title("Imgfloat API")
+                        .description("OpenAPI documentation for Imgfloat admin and broadcaster APIs.")
+                        .version("v1"));
+    }
+}

src/main/java/com/imgfloat/app/config/SecurityConfig.java

@@ -20,7 +20,16 @@ public class SecurityConfig {
     SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
         http
                 .authorizeHttpRequests(auth -> auth
-                        .requestMatchers("/", "/css/**", "/js/**", "/webjars/**", "/actuator/health").permitAll()
+                        .requestMatchers(
+                                "/",
+                                "/css/**",
+                                "/js/**",
+                                "/webjars/**",
+                                "/actuator/health",
+                                "/v3/api-docs/**",
+                                "/swagger-ui.html",
+                                "/swagger-ui/**"
+                        ).permitAll()
                         .requestMatchers("/ws/**").permitAll()
                         .anyRequest().authenticated()
                 )