add LICENSE to published packages

Author: danez

Diff for: .changeset/spotty-cameras-fetch.md

@@ -0,0 +1,6 @@
+---
+'react-docgen': patch
+'@react-docgen/cli': patch
+---
+
+Correctly add LICENSE file to published packages

Diff for: package.json

@@ -15,7 +15,8 @@
     "playground:build": "yarn workspace @react-docgen-internal/playground run build",
     "playground:start": "yarn workspace @react-docgen-internal/playground run start",
     "changesets-version": "changeset version && yarn install --mode update-lockfile",
-    "release": "yarn build && changeset publish"
+    "copy:license": "cp ./LICENSE ./packages/react-docgen/ && cp ./LICENSE ./packages/react-docgen-cli/",
+    "release": "yarn build && yarn copy:license && changeset publish"
   },
   "license": "MIT",
   "workspaces": [