chore(legacy): relocate v1 dataconnect source

legacy/dataconnect-v1/connector/application/mutations.gql

@@ -0,0 +1,47 @@
+mutation createApplication(
+  $shiftId: UUID!
+  $staffId: UUID!
+  $status: ApplicationStatus!
+  $checkInTime: Timestamp
+  $checkOutTime: Timestamp
+  $origin: ApplicationOrigin!
+  $roleId: UUID!
+) @auth(level: USER) {
+  application_insert(
+    data: {
+      shiftId: $shiftId
+      staffId: $staffId
+      status: $status
+      checkInTime: $checkInTime
+      checkOutTime: $checkOutTime
+      origin: $origin
+      roleId: $roleId
+    }
+  ) 
+}
+
+mutation updateApplicationStatus(
+  $id: UUID!
+  $shiftId: UUID
+  $staffId: UUID
+  $status: ApplicationStatus
+  $checkInTime: Timestamp
+  $checkOutTime: Timestamp
+  $roleId: UUID
+) @auth(level: USER) {
+  application_update(
+    id: $id
+    data: {
+      shiftId: $shiftId
+      staffId: $staffId
+      status: $status
+      checkInTime: $checkInTime
+      checkOutTime: $checkOutTime
+      roleId: $roleId
+    }
+  ) 
+}
+
+mutation deleteApplication($id: UUID!) @auth(level: USER) {
+  application_delete(id: $id) 
+}