Add license section to README (#942)

Author: richiemcilroy

README.md

@@ -50,6 +50,13 @@ We use a combination of Rust, React (Next.js), TypeScript, Tauri, Drizzle (ORM),
 - `database`: A [React](https://reactjs.org) and [Drizzle ORM](https://orm.drizzle.team/) Shared database library.
 - `config`: `eslint` configurations (includes `eslint-config-next`, `eslint-config-prettier` other configs used throughout the monorepo).
 
+### License:
+Portions of this software are licensed as follows:
+
+- All code residing in the `cap-camera*` and `scap-*` families of crates is licensed under the MIT License (see [licenses/LICENSE-MIT](https://github.com/CapSoftware/Cap/blob/main/licenses/LICENSE-MIT)).
+- All third party components are licensed under the original license provided by the owner of the applicable component
+- All other content not mentioned above is available under the AGPLv3 license as defined in [LICENSE](https://github.com/CapSoftware/Cap/blob/main/LICENSE)
+  
 # Contributing
 
 See [CONTRIBUTING.md](CONTRIBUTING.md) for more information. This guide is a work in progress, and is updated regularly as the app matures.