fix: pre-cache to not include extra files

scripts/locale.js

@@ -0,0 +1,22 @@
+const { readdirSync } = require("fs");
+
+console.log(
+    "var locale_keys = " +
+        JSON.stringify([
+            ...readdirSync("node_modules/dayjs/locale")
+                .filter((x) => x.endsWith(".js"))
+                .map((x) => {
+                    v = x.split(".");
+                    v.pop();
+                    return v.join(".");
+                }),
+            ...readdirSync("external/lang")
+                .filter((x) => x.endsWith(".json"))
+                .map((x) => {
+                    v = x.split(".");
+                    v.pop();
+                    return v.join(".");
+                }),
+        ]) +
+        ";",
+);