feat(aklive2d): add ability to read and increase version number

libs/version.js

@@ -0,0 +1,13 @@
+import path from 'path'
+import { readSync, writeSync } from './file.js'
+
+export function read (dir) {
+    return readSync(path.join(dir, 'Version'))
+}
+
+export function increase(dir) {
+    // release version will be lagged by 0.0.1
+    const version = read(dir)
+    const [major, minor, patch] = version.split('.')
+    writeSync(`${major}.${minor}.${+patch + 1}`, path.join(dir, 'Version'))
+}