Add all credits and copyright notices to Overlap2D as the code base of this project :)

OVERLAP2D-AUTHORS

@@ -0,0 +1,10 @@
+# This is the official list of the AUTHORS of overlap2d
+# for copyright purposes.
+# This file is distinct from the CONTRIBUTORS files.
+# See the latter for an explanation.
+
+# Names should be added to this file as
+#	Name or Organization <email address>
+# The email address is not required for organizations.
+
+Underwater Apps LLC <azakhary@underwaterapps.com>

OVERLAP2D-CONTRIBUTORS

@@ -0,0 +1,17 @@
+# This is the official list of people who can contribute
+# (and who have contributed) code to the overlap2d project
+# repository.
+# The AUTHORS file lists the copyright holders; this file
+# lists people. Contributors must sign the CLA to grant
+# the AUTHORS copyright within the terms of the Apache 2 license.
+#
+
+azakhary https://github.com/azakhary
+gevorg https://github.com/gevorg-kopalyan
+saqsun https://github.com/saqsun
+hayk https://github.com/underwaterhayk
+eumario https://github.com/eumario
+kutoman https://github.com/kutoman
+AlbertoCejas https://github.com/AlbertoCejas
+Huang YunKun https://github.com/htynkn
+David Saltares https://github.com/siondream

OVERLAP2D-LICENSE

@@ -0,0 +1,13 @@
+Copyright 2015 Underwater Apps LLC
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+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.

README.md

@@ -74,3 +74,25 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ```
+
+#### Overlap2D
+
+HyperLap2D is a fork of [Overlap2D](https://github.com/UnderwaterApps/overlap2d). A very special thanks to UnderwaterApps's Team and all of their Contributors for creating it, as without, HyperLap2D could never be possible.
+Check out original: [`OVERLAP2D-AUTHORS`](https://github.com/rednblackgames/HyperLap2D/blob/master/OVERLAP2D-AUTHORS) and [`OVERLAP2D-CONTRIBUTORS`](https://github.com/rednblackgames/HyperLap2D/blob/master/OVERLAP2D-CONTRIBUTORS)
+
+_Overlap2D_ was licensed under `Apache 2.0` license
+```
+Copyright 2015 Underwater Apps LLC
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+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.
+```