ci: implement release workflows (#113)

.github/version-script-beta.js

@@ -0,0 +1,21 @@
+// ORIGINALLY FROM CLOUDFLARE WRANGLER:
+// https://github.com/cloudflare/wrangler2/blob/main/.github/version-script.js
+
+import { exec } from "child_process"
+import fs from "fs"
+
+const pkgJsonPath = "cli/package.json"
+try {
+  const pkg = JSON.parse(fs.readFileSync(pkgJsonPath))
+  exec("git rev-parse --short HEAD", (err, stdout) => {
+    if (err) {
+      console.log(err)
+      process.exit(1)
+    }
+    pkg.version = "0.0.0-beta." + stdout.trim()
+    fs.writeFileSync(pkgJsonPath, JSON.stringify(pkg, null, "\t") + "\n")
+  })
+} catch (error) {
+  console.error(error)
+  process.exit(1)
+}