bugfix: permit access to Swagger UI (#134)

Co-authored-by: Michael Hoennig <michael@hoennig.de>
Reviewed-on: https://dev.hostsharing.net/hostsharing/hs.hsadmin.ng/pulls/134
Reviewed-by: Marc Sandlus <marc.sandlus@hostsharing.net>

src/main/java/net/hostsharing/hsadminng/config/WebSecurityConfig.java

@@ -17,10 +17,11 @@ public class WebSecurityConfig {
         return http
                 .authorizeHttpRequests(authorize -> authorize
                         .requestMatchers("/api/**").permitAll() // TODO.impl: implement authentication
+                        .requestMatchers("/swagger-ui/**").permitAll()
+                        .requestMatchers("/v3/api-docs/**").permitAll()
                         .requestMatchers("/actuator/**").permitAll()
                         .anyRequest().authenticated()
                 )
                 .build();
     }
-
 }