Desktop: Add OneNote Importer (#11392)

readme/dev/BUILD.md

@@ -23,6 +23,9 @@ There are also a few forks of existing packages under the "fork-*" name.
 - macOS: Install Cocoapods - `brew install cocoapods`. Apple Silicon [may require libvips](https://github.com/laurent22/joplin/pull/5966#issuecomment-1007158597) - `brew install vips`.
 - Linux: Install dependencies - `sudo apt install build-essential libnss3 libsecret-1-dev python rsync libgbm-dev libatk-bridge2.0-0 libgtk-3.0 libasound2`
 
+If using the `onenote-converter` you will require Rust:
+- Install Rust 1.80+. Follow the instructions on [Rust toolchain website](https://rustup.rs/)
+
 ## Building
 
 Make sure the path to the project directory does not contain spaces or the build may fail.

readme/dev/build_troubleshooting.md

@@ -50,6 +50,10 @@ This is an indication that there's an early initialisation error. Try this:
 
 So everything should be done from a Windows Command prompt or Windows PowerShell running as Administrator. All build and start commands are designed to work cross-platform, including on Windows.
 
+> Error when building the application
+
+If you find a error when building the application, [verify that you have all the requirements](https://github.com/laurent22/joplin/blob/dev/readme/dev/BUILD.md), including Rust. 
+
 ## Mobile application
 
 ### iOS