feat: Add tasks reordering

Closes #50, closes #232

client/src/selectors/task.js

@@ -0,0 +1,20 @@
+import { createSelector } from 'redux-orm';
+
+import orm from '../orm';
+
+export const makeTaskByIdSelector = () =>
+  createSelector(
+    orm,
+    (_, id) => id,
+    ({ Task }, id) => {
+      const taskModel = Task.withId(id);
+
+      if (!taskModel) {
+        return taskModel;
+      }
+
+      return taskModel.ref;
+    },
+  );
+
+export const taskByIdSelector = makeTaskByIdSelector();