Update security configuration to allow unrestricted access

Changed default security rule to permit all requests instead of requiring authentication. Adjusted `SecurityConfig` to ensure open access for all endpoints.

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

@@ -40,7 +40,7 @@ public class SecurityConfig {
                 .requestMatchers("/team/**", "/history/**").permitAll()
                 .requestMatchers("/form/**").hasAuthority(PermissionClaimDto.USER.getValue())
                 .requestMatchers("/head_mod/**").hasAuthority(PermissionClaimDto.HEAD_MOD.getValue())
-                .anyRequest().authenticated()
+                .anyRequest().permitAll()
             )
             .oauth2ResourceServer(oauth2 -> oauth2.jwt(Customizer.withDefaults()))
             .sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS))

frontend/src/app/about/about.component.ts

@@ -2,15 +2,13 @@ import {Component} from '@angular/core';
 import {ScrollService} from '../scroll/scroll.service';
 import {CommonModule} from '@angular/common';
 import {HeaderComponent} from '../header/header.component';
-import {RemoveTrailingPeriodPipe} from "../util/RemoveTrailingPeriodPipe";
 
 @Component({
   selector: 'app-about',
   standalone: true,
   imports: [
     CommonModule,
-    HeaderComponent,
-    RemoveTrailingPeriodPipe
+    HeaderComponent
   ],
   templateUrl: './about.component.html',
   styleUrl: './about.component.scss'