Fix the burg where the watcher didn't do any watching

package.json

@@ -6,7 +6,7 @@
     "url": "https://github.com/houdiniproject/houdini"
   },
   "scripts": {
-    "watch": "HOUDINI_WATCH=1 script/build.sh",
+    "watch": "export HOUDINI_WATCH=1; script/build.sh",
     "build": "script/build.sh",
     "build-all": "script/compile-assets.sh && npm run build",
     "test": "rake spec && npm run build && npx jest",

script/build.sh

@@ -9,10 +9,12 @@ export DATABASE_URL=${BUILD_DATABASE_URL:-postgres://admin:password@db/commitcha
 echo $DATABASE_URL
 npm run export-button-config && npm run export-i18n && npm run generate-api-js
 
-if [ -z "$HOUDINI_WATCH"} ];
+if [ -n "$HOUDINI_WATCH" ];
 then
+    echo "we're gonna watch!!!"
     npx webpack --watch
 else
+    echo "we're gonna build!!!"
     NODE_ENV=production npx webpack -p
 fi
 )