Initial commit with basic CRUD functionality:

* GET all properties
* GET one property by id
* CREATE one property
* DELETE one property by id

src/main/java/de/iwomm/propify_api/security/SecurityConfig.java

@@ -0,0 +1,28 @@
+package de.iwomm.propify_api.security;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.web.SecurityFilterChain;
+
+@Configuration
+@EnableWebSecurity
+public class SecurityConfig {
+
+    @Bean
+    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
+        http
+                .csrf(csrf -> csrf.disable()) // CSRF deaktivieren für APIs
+                .authorizeHttpRequests(auth -> auth
+                        .requestMatchers("/api/**").permitAll() // API ist offen
+                        .anyRequest().permitAll()               // Alles andere auch offen
+                )
+                .httpBasic(httpBasic -> httpBasic.disable()) // Kein Basic Auth
+                .formLogin(form -> form.disable());         // Kein Login-Formular
+
+        return http.build();
+    }
+
+
+}