Implement library management endpoint (authenticated)

backend/pom.xml

@@ -21,6 +21,7 @@
         <protobuf-java.version>3.21.2</protobuf-java.version>
         <gameyfin-frontend.version>0.0.1-SNAPSHOT</gameyfin-frontend.version>
         <commons-compress.version>1.21</commons-compress.version>
+        <java-jwt.version>4.0.0</java-jwt.version>
     </properties>
 
     <dependencies>
@@ -62,6 +63,11 @@
             <version>${resilience4j-reactor.version}</version>
         </dependency>
 
+        <!-- Security -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-security</artifactId>
+        </dependency>
 
         <!-- Persistence -->
         <dependency>