Update readme for building Manta Signer

README.md

@@ -6,7 +6,7 @@
     <img width="655" src="./mac-installation.png">
 </p>
 
-**Disclaimer: `manta-signer` is experimental software, use it at your own risk.**
+:warning: **Disclaimer: `manta-signer` is experimental software, use it at your own risk.**
 
 ## Project Organization
 
@@ -21,3 +21,20 @@ To remove your private account data completely and set up a new account, you sho
 - macOS: `~/Library/Application Support/manta-signer/`
 - Linux: `~/.config/manta-signer/`
 - Windows: `~/AppData/Roaming/manta-signer/`
+
+## Development
+### Building
+In main directory or ./ui
+
+:warning: **Warning: May not build properly with Node version >17**
+```
+cargo install
+cargo install tauri-cli
+cargo tauri build
+```
+Executables can be found in ./target/release or ./ui/src-tauri/target/release.
+
+### Testing
+Can use non-UI testing server in ./examples
+```cargo run --example test_server --features=unsafe-disable-cors --release```
+```--features=unsafe-disable-cors``` use only if you are using the local manta-front-end