Add Test for Notification routes

Add @JsonSubTypes on Notification
return all creator on request find_follows_article_by_target
Add testNotifications task

src/test/kotlin/integration/steps/given/Auth.kt

@@ -3,6 +3,7 @@ package integration.steps.given
 import com.auth0.jwt.JWT
 import fr.dcproject.component.auth.jwt.JwtConfig
 import fr.dcproject.component.citizen.database.Citizen
+import fr.dcproject.component.citizen.database.CitizenI
 import fr.dcproject.component.citizen.database.CitizenRepository
 import io.ktor.http.HttpHeaders
 import io.ktor.server.testing.TestApplicationRequest
@@ -25,3 +26,23 @@ fun TestApplicationRequest.`authenticated as`(
 
     return citizen
 }
+fun TestApplicationRequest.`authenticated in url as`(
+    firstName: String,
+    lastName: String,
+): Citizen {
+    val repo: CitizenRepository by lazy<CitizenRepository> { GlobalContext.get().koin.get() }
+    val citizen = repo.findByName(CitizenI.Name(firstName, lastName)) ?: error("Citizen not exist with name $firstName $lastName")
+    val algorithm = GlobalContext.get().koin.get<JwtConfig>().algorithm
+    val jwtAsString: String = JWT.create()
+        .withIssuer("dc-project.fr")
+        .withClaim("id", citizen.user.id.toString())
+        .sign(algorithm)
+
+    uri += when (uri.contains('?')) {
+        true -> '&'
+        false -> '?'
+    }
+    uri += "token=$jwtAsString"
+
+    return citizen
+}