Add script for running integration tests

Author: adamwathan

.gitignore

@@ -6,6 +6,7 @@
 /example
 .vscode
 .DS_Store
+.parcel-cache
 tailwind.config.js
 index.html
 yarn.lock

integrations/tailwindcss-cli/.gitignore

@@ -2,3 +2,4 @@ dist/
 node_modules/
 !tailwind.config.js
 !index.html
+/src/tailwind.2.config.js

package.json

@@ -23,6 +23,7 @@
     "dev": "concurrently -n tailwind,oxide-node -c green,yellow 'npm run dev:js' 'npm run dev:rust'",
     "build": "npm run build:rust && npm run build:js && npm run build:peers",
     "test": "jest",
+    "test:integrations": "npm run test -w ./integrations",
     "style": "eslint .",
     "prepublishOnly": "npm install --force && npm run build && npm run generate:types",
     "dev:rust": "npm run --prefix ./oxide dev:node",