feat: new release for flutter also

lib/skynexui_responsive_stylesheet.dart

@@ -1,5 +1,7 @@
 library responsive_stylesheet;
 
+export 'responsive/responsive.dart';
+
 /// A Calculator.
 class Calculator {
   /// Returns [value] plus 1.

package.json

@@ -27,7 +27,9 @@
     "clean": "flutter clean && yarn prebuild",
     "release": "semantic-release",
     "release:github_registry": "node ./scripts/publishToGHRegistry.js",
-    "release:flutter": "yarn clean && dart pub publish --force"
+    "release:flutter": "yarn clean && dart pub publish --force",
+    "bump:flutter": "node ./scripts/bumpFlutter.js",
+    "postversion": "yarn bump:flutter && git add ."
   },
   "devDependencies": {
     "@babel/core": "7.16.0",

scripts/bumpFlutter.js

@@ -0,0 +1,15 @@
+const fs = require('fs');
+const pkg = require('../package.json');
+
+console.log(`[Bump Flutter to: ${pkg.version}]`);
+
+const pubspecUpdated = fs
+  .readFileSync('./pubspec.yaml', { encoding: 'utf-8' })
+  .split('\n')
+  .map((line) => {
+    if (line.startsWith('version')) return `version: ${pkg.version}`;
+    return line;
+  })
+  .join('\n');
+
+fs.writeFileSync('./pubspec.yaml', pubspecUpdated, { encoding: 'utf-8' });