Add chat input functionality in ChatBoxComponent and backend support for sending server messages

backend/src/main/java/com/alttd/altitudeweb/config/SecurityConfig.java

@@ -71,6 +71,7 @@ public class SecurityConfig {
                                 .requestMatchers("/api/files/download/**").hasAuthority(PermissionClaimDto.HEAD_MOD.getValue())
                                 .requestMatchers("/api/history/admin/**").hasAuthority(PermissionClaimDto.HEAD_MOD.getValue())
                                 .requestMatchers("/api/login/userLogin/**").permitAll()
+                                .requestMatchers("/api/site/chat/**").authenticated()
                                 .requestMatchers("/api/chat/server/send/**").permitAll()
                                 .anyRequest().permitAll()
                 )