feat: add conventional changelog

This update includes:
- full switch to comventional commits
- auto-generated conventional CHANGELOG.md
- custom changelog template
- helper function for changelog to transform data
- npm package configuration to ensure proper generation process
- custom script to:
  - autmatically bump package.json version
  - tag the latest commit with the bumped version
  - generate changelog
  - commit changes as chore(release)
  - push commit to the main branch along with the tag

.changelog/changelog-template.hbs

@@ -0,0 +1,34 @@
+# Changelog
+
+This document outlines the summary of all notable changes to the project.
+
+{{#each releases}}
+  {{#if href}}
+    ## [{{title}}]({{href}}) - {{niceDate}}
+  {{else}}
+    ## {{title}} - {{niceDate}}
+  {{/if}}
+
+  {{#commit-list commits heading='### Breaking Changes ⚠️' message='BREAKING CHANGE'}}
+  {{subject}} ([`{{shorthash}}`]({{href}}))
+  {{/commit-list}}
+
+  {{#commit-list commits heading='### New ✨' message='feat(\([\w-]*?\))?:'}}
+  - {{subject}} ([`{{shorthash}}`]({{href}}))
+  {{/commit-list}}
+
+  {{#commit-list commits heading='### Bug fixes 🐛' message='fix(\([\w-]*?\))?:'}}
+  - {{subject}} ([`{{shorthash}}`]({{href}}))
+  {{/commit-list}}
+
+  {{#commit-list commits heading='### Documentation 📚' message='docs(\([\w-]*?\))?:'}}
+  - {{subject}} ([`{{shorthash}}`]({{href}}))
+  {{/commit-list}}
+
+  {{#commit-list commits heading='### Improvements 📈' message='(build|chore|ci|perf|refactor|revert|style|test)(\([\w-]*?\))?:' exclude='chore\(release\): '}}
+  - {{#emoji subject }}{{/emoji}}{{#if href}} ([`{{shorthash}}`]({{href}})){{/if}}
+{{/commit-list}}
+
+----
+
+{{/each}}

.changelog/helper.js

@@ -0,0 +1,17 @@
+module.exports = (Handlebars) => {
+  Handlebars.registerHelper('emoji', (message, options) => {
+    const emojies = {
+      build: '⚙️',
+      chore: 'ℹ️',
+      ci: '🚀',
+      perf: '🚄',
+      refactor: '♻️',
+      revert: '⏮️',
+      style: '🎨',
+      test: '✅'
+    }
+
+    let match = message.match(/(\w*)(\([\w-]*?\))?:/);
+    return match ? emojies[match[1]] + ' ' + message : message
+  });
+}

.npmrc

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+git-tag-version=false
+sign-git-commit=true
+sign-git-tag=true

bump-version.js

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+const { execSync } = require('child_process');
+
+// Check the type of the latest commit to know what version should be bumped
+const latestCommitMessage = execSync('git log -1 --format=%s').toString('utf-8');
+const commitParts = latestCommitMessage.matchAll(/(?<type>build|chore|ci|docs|feat|fix|perf|refactor|revert|style|test)(?<scope>\(\w*?\))?(?<breaking>!)?:/g);
+
+let newBumbedVersion = '';
+
+for (const commitPart of commitParts) {
+  if (commitPart.groups.breaking) {
+    newBumbedVersion = execSync('npm version major').toString('utf-8');
+  } else if (commitPart.groups.type === 'feat') {
+    newBumbedVersion = execSync('npm version minor').toString('utf-8');
+  } else if (commitPart.groups.type === 'fix') {
+    newBumbedVersion = execSync('npm version patch').toString('utf-8');
+  } else {
+    newBumbedVersion = execSync('npm version minor').toString('utf-8');
+  }
+
+  newBumbedVersion = newBumbedVersion.trim();
+
+  // Create a new tag and assign it to the latest commit
+  execSync(`git tag ${newBumbedVersion}`);
+
+  // Generate changelog for the latest release
+  execSync('npm run changelog');
+
+  // Commit bumped package.jspon and generated CHANGELOG as a chore(release)
+  execSync(`git add package.json package-lock.json CHANGELOG.md && git commit -q -m "chore(release): ${newBumbedVersion}"`);
+
+  // Push commit along with the tag to the main branch
+  execSync('git push --follow-tags origin main');
+  // execSync('git push origin --tags');
+}