Chore: Add Licenses attributions (#4938)

ATTRIBUTIONS.md

@@ -0,0 +1,26 @@
+# Open Source License Attribution
+
+This application uses Open Source components. You can find the source
+code of their open source projects along with license information below.
+We acknowledge and are grateful to these developers for their contributions
+to open source.
+
+### [angular-json-tree](https://github.com/awendland/angular-json-tree)
+
+by [Alex Wendland](https://github.com/awendland) is licensed under [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/)
+
+### [caniuse-db](https://github.com/Fyrd/caniuse)
+
+by [caniuse.com](caniuse.com) is licensed under [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/)
+
+### [caniuse-lite](https://github.com/ben-eb/caniuse-lite)
+
+by [caniuse.com](caniuse.com) is licensed under [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/)
+
+### [spdx-exceptions](https://github.com/jslicense/spdx-exceptions.json)
+
+by Kyle Mitchell using [SPDX](https://spdx.dev/) from Linux Foundation licensed under [CC BY 3.0 License](https://creativecommons.org/licenses/by/3.0/)
+
+### [fontawesome-free](https://github.com/FortAwesome/Font-Awesome) Icons
+
+by [Fort Awesome](https://fortawesome.com/) is licensed under [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/)