feat(security): implement JWT-based authentication and authorization

- Configured JWT token validation filter in security chain
- Added user role mapping with new t_user_role table and UserRole entity
- Implemented custom authentication entry point and access denied handler
- Updated UserDetailService to load user roles from database
- Added @PreAuthorize annotation support for method-level security
- Refactored build scripts to use java-library plugin and proper dependency scope
- Enhanced SQL schema with user role table and improved table comments
- Added global exception handler for AccessDeniedException
- Introduced ResponseCodeEnum constants for unauthorized and forbidden access
- Integrated TokenAuthenticationFilter into Spring Security filter chain

weblog-module-admin/build.gradle.kts

@@ -1,15 +1,14 @@
 plugins {
-    java
+    `java-library`
 }
 
 dependencies {
-    // Spring Security
-    implementation("org.springframework.boot:spring-boot-starter-security")
-    // Test
-    testImplementation("org.springframework.boot:spring-boot-starter-test")
+    api("org.springframework.boot:spring-boot-starter-security")
 
     implementation(project(":weblog-module-common"))
 
-    implementation(project(":weblog-module-jwt"))
+    api(project(":weblog-module-jwt"))
+
+    testImplementation("org.springframework.boot:spring-boot-starter-test")
     testImplementation("org.springframework.security:spring-security-test")
-}
+}