Update README.md

Author: Akat1002

README.md

@@ -5,6 +5,7 @@ Build Instructions:
   b. curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
   c. curl https://sh.rustup.rs -sSf | sh
   d. cargo install cargo-generate
+  e. sudo apt install npm
   e. npm install [email protected]
 4. Build the Rust into wasm:
   a. Ensure you are in the root directory of the project