chore(packages): move the packages to root

core/src/components/checkbox/checkbox.scss

@@ -0,0 +1,28 @@
+@import "../../themes/ionic.globals";
+
+// Checkbox
+// --------------------------------------------------
+
+ion-checkbox {
+  position: relative;
+  display: inline-block;
+}
+
+ion-checkbox input {
+  @include position(0, null, null, 0);
+  @include margin(0);
+
+  position: absolute;
+
+  width: 100%;
+  height: 100%;
+
+  border: 0;
+  background: transparent;
+  cursor: pointer;
+
+  -webkit-appearance: none;
+  -moz-appearance: none;
+  appearance: none;
+}
+