feat(scripts): remove asset copy from dev

package.json

@@ -46,7 +46,7 @@
   },
   "scripts": {
     "build": "tsc && ./scripts/mjml.sh",
-    "dev": "sh parallel_commands 'cp ./src/assets/ ./dist/ -R' 'tsnd --inspect=0.0.0.0 --respawn ./src/stomper.ts' 'find ./src/email-templates/ -maxdepth 1 -type f -name ''*.mjml'' -print0 | xargs -0 mjml -o ./src/email-templates/ -w'",
+    "dev": "sh parallel_commands 'tsnd --inspect=0.0.0.0 --respawn ./src/stomper.ts' 'find ./src/email-templates/ -maxdepth 1 -type f -name ''*.mjml'' -print0 | xargs -0 mjml -o ./src/email-templates/ -w'",
     "start": "yarn run build && node ./dist/stomper.js",
     "snyk-protect": "snyk protect",
     "prepare": "yarn run snyk-protect",