refactor: replace shell scripts with JS for cross-platform support

Convert bin/ shell scripts to Node.js and npm scripts using shx and npm-run-all2. Remove unused build-icons.sh. Inlined simple scripts (build-docs-liquid, build-apidoc) as npm scripts.

Made-with: Cursor

bin/build-changelog.js

@@ -0,0 +1,24 @@
+const fs = require('fs')
+const path = require('path')
+
+const root = path.resolve(__dirname, '..')
+const src = path.join(root, 'CHANGELOG.md')
+
+let content = fs.readFileSync(src, 'utf8').replace(/\r\n/g, '\n')
+
+const lines = content.split('\n')
+lines[0] = lines[0]
+  .replace(/"/g, '"')
+  .replace(/</g, '&lt;')
+  .replace(/>/g, '&gt;')
+content = lines.join('\n')
+
+content = content
+  .replace(/{%/g, '{% raw %}{%{% endraw %}')
+  .replace(/\{\{/g, '{% raw %}{{{% endraw %}')
+
+const enFrontmatter = '---\ntitle: Changelog\nauto: true\n---\n\n'
+const zhFrontmatter = '---\ntitle: 更新日志\nauto: true\n---\n\n'
+
+fs.writeFileSync(path.join(root, 'docs/source/tutorials/changelog.md'), enFrontmatter + content)
+fs.writeFileSync(path.join(root, 'docs/source/zh-cn/tutorials/changelog.md'), zhFrontmatter + content)