Add script to find features with ranged (≤) headline statuses (#2419)

Author: ddbeck

scripts/find-ranged-headline-statuses.ts

@@ -0,0 +1,7 @@
+import { features } from "../index";
+
+for (const [key, data] of Object.entries(features)) {
+  if ((data.status.baseline_low_date ?? "").includes("≤")) {
+    console.log(key);
+  }
+}