fix: ユーザーごとのAPのurlを修正

src/main/kotlin/dev/usbharu/hideout/routing/RegisterRouting.kt

@@ -45,7 +45,6 @@ fun Application.register(userAuthService: IUserAuthService) {
 
             val hash = userAuthService.hash(password)
             userAuthService.registerAccount(username,hash)
-            call.sessions.set(UserSession(username))
 //            call.respondRedirect("/login")
             call.respondRedirect("/users/$username")
         }

src/main/kotlin/dev/usbharu/hideout/service/ActivityPubUserService.kt

@@ -7,7 +7,7 @@ import dev.usbharu.hideout.config.Config
 class ActivityPubUserService(private val userService: UserService) {
     suspend fun generateUserModel(name:String):Person{
         val userEntity = userService.findByName(name)
-        val userUrl = "${Config.configData.hostname}/$name"
+        val userUrl = "${Config.configData.hostname}/users/$name"
         return Person(
             emptyList(),
             "Icon",