feat: add butterfly-extsrc (#327)

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-->

## Summary by CodeRabbit

- **Chores**
- Added a new dependency, `butterfly-extsrc`, to enhance project
capabilities.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

package.json

@@ -3002,6 +3002,9 @@
     "busboy": {
       "version": "*"
     },
+    "butterfly-extsrc": {
+      "version": "*"
+    },
     "bwip-js": {
       "version": "*"
     },