build: Add standard-version updater for README

scripts/standardVersionUpdater.js

@@ -0,0 +1,22 @@
+const START_KEY_SENTENCE = 'https://img.shields.io/badge/version-';
+const END_KEY_SENTENCE = '-green.svg';
+
+function getVersion(content) {
+  const startIndex = content.indexOf(START_KEY_SENTENCE) + START_KEY_SENTENCE.length;
+  const endIndex = content.indexOf(END_KEY_SENTENCE);
+
+  return content.slice(startIndex, endIndex);
+}
+
+module.exports.readVersion = function (content) {
+  return getVersion(content);
+};
+
+module.exports.writeVersion = function (content, newVersion) {
+  const oldVersion = getVersion(content);
+
+  return content.replace(
+    `${START_KEY_SENTENCE}${oldVersion}${END_KEY_SENTENCE}`,
+    `${START_KEY_SENTENCE}${newVersion}${END_KEY_SENTENCE}`,
+  );
+};