LF footer website guidelines (#30)

* LF website

https://github.com/cncf/foundation/blob/main/website-guidelines.md

Signed-off-by: Lou DeGenaro <lou.degenaro@gmail.com>

* Fix content in readme

Signed-off-by: Yuji Watanabe <muew@jp.ibm.com>

* maintainers & cncf logo

Signed-off-by: Lou DeGenaro <lou.degenaro@gmail.com>

* license & authors

Signed-off-by: Lou DeGenaro <lou.degenaro@gmail.com>

* fix contributors link

Signed-off-by: Lou DeGenaro <lou.degenaro@gmail.com>

---------

Signed-off-by: Lou DeGenaro <lou.degenaro@gmail.com>
Signed-off-by: Yuji Watanabe <muew@jp.ibm.com>
Co-authored-by: Yuji Watanabe <muew@jp.ibm.com>

README.md

@@ -329,4 +329,38 @@ tests/c2p/test_cli.py::test_version PASSED
 ### Cleanup caches
 ```
 make clean
-```
+```
+
+## License & Authors
+
+If you would like to see the detailed LICENSE click [here](LICENSE).
+Consult [contributors](https://github.com/oscal-compass/compliance-to-policy/graphs/contributors) for a list of authors and [maintainers](MAINTAINERS.md) for the core team.
+
+```text
+# Copyright (c) 2024 The OSCAL Compass Authors. All rights reserved.
+#
+# 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
+#
+#     https://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.
+
+```
+______________________________________________________________________
+
+We are a Cloud Native Computing Foundation sandbox project.
+
+<picture>
+  <source media="(prefers-color-scheme: dark)" srcset="https://www.cncf.io/wp-content/uploads/2022/07/cncf-white-logo.svg">
+  <img src="https://www.cncf.io/wp-content/uploads/2022/07/cncf-color-bg.svg" width=300 />
+</picture>
+
+The Linux Foundation® (TLF) has registered trademarks and uses trademarks. For a list of TLF trademarks, see [Trademark Usage](https://www.linuxfoundation.org/legal/trademark-usage)".
+
+*Compliance to Policy was originally created by IBM.*