Add new components like flex-group and flex-inline.

assets/sass/components/flex-group/_flex-group.scss

@@ -0,0 +1,31 @@
+.flex-group,
+%flex-group {
+  $gap: 1;
+  @include gap($gap);
+  display: flex;
+  flex-wrap: wrap;
+
+  & > * {
+    flex: 1;
+  }
+
+  &--2 > * {
+    @include flex(2, $gap);
+  }
+
+  &--3 > * {
+    @include flex(3, $gap);
+  }
+
+  &--4 > * {
+    @include flex(4, $gap);
+  }
+
+  &--5 > * {
+    @include flex(5, $gap);
+  }
+
+  &--6 > * {
+    @include flex(6, $gap);
+  }
+}