Rename package to @alezmad/cladm for npm publish

npm rejected unscoped "cladm" as too similar to "charm". Scoped under
@alezmad with --access=public flag in CI workflow.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.github/workflows/publish.yml

@@ -21,4 +21,4 @@ jobs:
         env:
           NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
 
-      - run: npm publish
+      - run: npm publish --access=public