Add instructions for Guest and HostServer to README.md (#19)

After `Guest`/`HostServer` split, build instructions should be updated.

Author: MaxDesiatov

Guest/build.sh

@@ -21,7 +21,6 @@ swift build --triple wasm32-unknown-none-wasm -c release --product Plotter
 for n in Bass HiHat Kick Mix; do
   swift build --triple wasm32-unknown-none-wasm -c release --product $n
 
-  cp "${bin_path}/${n}.wasm" ~/Desktop
+  cp "${bin_path}/${n}.wasm" $HOME
 done
 
-

README.md

@@ -54,19 +54,21 @@ cd /root/build
 ## How to Build and Run
 
 Assuming you're within the cloned repository and have the latest development snapshots selected per the instructions
-above, first build the package:
+above, build modules from the `Guest` package (this will copy `.wasm` modules to the home directory of the current user):
 
 ```sh
-swift build --triple wasm32-unknown-none-wasm -c release --product swift-audio
+cd Guest; ./build.sh
 ```
 
-Then start the HTTP server:
+
+Then build and start the HTTP server:
 
 ```sh
-python3 -m http.server
+cd ../ServerHost; swift run Server
 ```
 
-Open http://localhost:8000 in your browser to see the project running.
+Open http://localhost:8080 in your browser to see the project running. Use the web interface to upload previously built
+`Guest` modules from the home directory.
 
 ## License