rename scss extensions dir to modes

ionic/components/segment/modes/ios.scss

@@ -0,0 +1,33 @@
+
+// iOS Segment
+// --------------------------------------------------
+
+
+.segment[mode=ios] .ion-segment {
+  > button,
+  > [button] {
+    border-width: 1px;
+
+    transition: 100ms all linear;
+
+    color: get-color(primary, base);
+
+    min-height: 3.3rem;
+    line-height: 3.3rem;
+
+    &.active {
+      background-color: get-color(primary, base);
+      color: white;
+    }
+
+    border-style: solid;
+    border-color: get-color(primary, base);
+
+    &:first-of-type {
+      border-right-width: 0px;
+    }
+    &:last-of-type {
+      border-left-width: 0px;
+    }
+  }
+}