chore: add sourcemap and update prepublish script

Author: danielbarion

package.json

@@ -16,7 +16,7 @@
     "esbuild": "esbuild",
     "test": "jest",
     "postbuild": "npm run types && npm run bundlesize",
-    "prepublishOnly": "npm run build"
+    "prepublishOnly": "npm run build-rollup"
   },
   "main": "dist/react-tooltip.cjs.min.js",
   "module": "dist/react-tooltip.esm.min.js",

rollup.config.prod.js

@@ -15,8 +15,8 @@ const name = 'ReactTooltip'
 
 const external = [
   ...Object.keys({ ...(pkg.peerDependencies ?? {}), ...(pkg.dependencies ?? {}) }),
-  'react/jsx-runtime'
-];
+  'react/jsx-runtime',
+]
 
 const buildFormats = [
   {
@@ -115,6 +115,7 @@ const config = outputData.map(({ file, format, plugins: specificPLugins, globals
     format,
     name,
     globals,
+    sourcemap: true,
   },
   external,
   plugins: specificPLugins,