feat: add notification UI

showPopup was also refactored to be better

internal/graph/schema.graphqls

@@ -229,6 +229,43 @@ input FindTeam {
   teamID: UUID!
 }
 
+extend type Query {
+  notifications: [Notification!]!
+}
+
+enum EntityType {
+  TASK
+}
+
+enum ActorType {
+  USER
+}
+
+enum ActionType {
+  TASK_MEMBER_ADDED
+}
+
+type NotificationActor {
+  id: UUID!
+  type: ActorType!
+  name: String!
+}
+
+type NotificationEntity {
+  id: UUID!
+  type: EntityType!
+  name: String!
+}
+
+type Notification {
+  id: ID!
+  entity: NotificationEntity!
+  actionType: ActionType!
+  actor: NotificationActor!
+  read: Boolean!
+  createdAt: Time!
+}
+
 extend type Mutation {
   createProject(input: NewProject!): Project! @hasRole(roles: [ADMIN], level: TEAM, type: TEAM)
   deleteProject(input: DeleteProject!):
@@ -355,9 +392,9 @@ extend type Mutation {
     Task! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
 
   assignTask(input: AssignTaskInput):
-    Task! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
+    Task! @hasRole(roles: [ADMIN], level: PROJECT, type: TASK)
   unassignTask(input: UnassignTaskInput):
-    Task! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
+    Task! @hasRole(roles: [ADMIN], level: PROJECT, type: TASK)
 }
 
 input NewTask {