refactor: split resolver into multiple files based on domain

internal/graph/schema/team/_model.gql

@@ -0,0 +1,12 @@
+type Team {
+  id: ID!
+  createdAt: Time!
+  name: String!
+  permission: TeamPermission!
+  members: [Member!]!
+}
+
+type TeamPermission {
+  team: RoleCode!
+  org: RoleCode!
+}

internal/graph/schema/team/member.gql

@@ -0,0 +1,43 @@
+extend type Mutation {
+  createTeamMember(input: CreateTeamMember!):
+    CreateTeamMemberPayload! @hasRole(roles: [ADMIN], level: TEAM, type: TEAM)
+  updateTeamMemberRole(input: UpdateTeamMemberRole!):
+    UpdateTeamMemberRolePayload! @hasRole(roles: [ADMIN], level: TEAM, type: TEAM)
+  deleteTeamMember(input: DeleteTeamMember!):
+    DeleteTeamMemberPayload! @hasRole(roles: [ADMIN], level: TEAM, type: TEAM)
+
+}
+
+input DeleteTeamMember {
+  teamID: UUID!
+  userID: UUID!
+  newOwnerID: UUID
+}
+
+type DeleteTeamMemberPayload {
+  teamID: UUID!
+  userID: UUID!
+  affectedProjects: [Project!]!
+}
+
+input CreateTeamMember {
+  userID: UUID!
+  teamID: UUID!
+}
+
+type CreateTeamMemberPayload {
+  team: Team!
+  teamMember: Member!
+}
+
+input UpdateTeamMemberRole {
+  teamID: UUID!
+  userID: UUID!
+  roleCode: RoleCode!
+}
+
+type UpdateTeamMemberRolePayload {
+  ok: Boolean!
+  teamID: UUID!
+  member: Member!
+}

internal/graph/schema/team/team.gql

@@ -0,0 +1,21 @@
+extend type Mutation {
+  deleteTeam(input: DeleteTeam!):
+    DeleteTeamPayload! @hasRole(roles:[ ADMIN], level: TEAM, type: TEAM)
+  createTeam(input: NewTeam!):
+    Team! @hasRole(roles: [ADMIN], level: ORG, type: ORG)
+}
+
+input NewTeam {
+  name: String!
+  organizationID: UUID!
+}
+
+input DeleteTeam {
+  teamID: UUID!
+}
+
+type DeleteTeamPayload {
+  ok: Boolean!
+  team: Team!
+  projects: [Project!]!
+}