feat: changelog.md release notes, v tags, plugin release notes and videos

scripts/check-changelog.cjs

@@ -0,0 +1,19 @@
+const fs = require("fs");
+const path = require("path");
+
+const root = path.resolve(__dirname, "..");
+const sdk = path.join(root, "packages/plugin-sdk/dist/changelog.js");
+
+if (!fs.existsSync(sdk)) {
+  console.error("check-changelog: build the SDK first (npm run build:sdk)");
+  process.exit(1);
+}
+
+const { parseChangelog } = require(sdk);
+const { problems } = parseChangelog(
+  fs.readFileSync(path.join(root, "CHANGELOG.md"), "utf8"),
+);
+if (problems.length > 0) {
+  for (const problem of problems) console.error(`  CHANGELOG.md: ${problem}`);
+  process.exit(1);
+}