Update README.md

Author: Shell Software

README.md

@@ -188,4 +188,9 @@ actionButton.setAnimationOnHide(FloatingActionButton.Animations.ROLL_TO_DOWN);
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
-```
+```
+
+## Shell Software Inc. links
+
+* [Google+](https://plus.google.com/112119444427380215269)
+* [Twitter Page](https://twitter.com/shell_software)