SpringSecurity: minimal do-nothing implementtaion

- add SpringSecurity dependancie
- Minimal do-nothing SecurityConfig.java

build.gradle

@@ -21,6 +21,8 @@ dependencies {
 
 	implementation 'org.springframework.data:spring-data-jdbc'
     testImplementation 'com.h2database:h2'
+
+    implementation 'org.springframework.boot:spring-boot-starter-security'
 }
 
 tasks.named('test') {

src/main/java/djmil/cashcard/SecurityConfig.java

@@ -0,0 +1,26 @@
+package djmil.cashcard;
+
+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.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+import org.springframework.security.web.SecurityFilterChain;
+
+@Configuration
+public class SecurityConfig {
+
+    @Bean
+    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
+        return http.build();
+    }
+
+    @Bean
+    public PasswordEncoder passwordEncoder() {
+        return new BCryptPasswordEncoder();
+    }
+}