cvmts: replace guacamole decoder with a node native module written in rust

guac-rs/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "@cvmts/guac-rs",
+  "packageManager": "yarn@4.1.1",
+  "type": "module",
+  "main": "index.js",
+  "types": "index.d.ts",
+  "scripts": {
+    "build": "cargo-cp-artifact -nc index.node -- cargo build --release --message-format=json-render-diagnostics",
+    "install": "yarn build",
+    "test": "cargo test"
+  },
+  "devDependencies": {
+    "cargo-cp-artifact": "^0.1"
+  }
+}