ci: Update node coverage badge to work without games.txt (#156)

* ci: Update node coverage badge to work without games.txt

Fixes #155 using a new node script that should be more robust than the
old shell script.

* ci: Change badge cron time to less common time

By doing at a less common time we should reduce action time usage as
the runners will be under less load.

* Add/Update badge

* ci: Improve node-badge script

Co-Authored-By: CosminPerRam <cosmin.p@live.com>

* ci: Run node badge action if script changes

* ci: Update node badge path for workspaces

* ci: Revert loading games from index in node badge script

---------

Co-authored-by: GitHub Action <action@github.com>
Co-authored-by: CosminPerRam <cosmin.p@live.com>

.github/workflows/scripts/node-badge.mjs

@@ -0,0 +1,52 @@
+"use strict";
+
+//! Calculate the percentage of games from node that we support
+// Expects node-gamedig checkout out in git root /node-gamedig
+// Expects the generic example to output a list of game IDs when no arguments are provided
+
+import process from "node:process";
+import { closeSync, openSync, writeSync } from "node:fs";
+import { spawnSync } from "node:child_process";
+
+const setOutput = (key, value) => {
+    const file = openSync(process.env.GITHUB_OUTPUT, "a");
+    writeSync(file, `${key}=${value}\n`);
+    closeSync(file);
+}
+
+// Get node IDs
+// NOTE: Here we directly import from games to avoid loading
+//       unecessary parts of the library that would require us
+//       to install dependencies.
+import { games } from "../../../node-gamedig/lib/games.js";
+
+const node_ids = new Set(Object.keys(games));
+const node_total = node_ids.size;
+
+// Get rust IDs
+
+const command = spawnSync("cargo", ["run", "-p", "gamedig", "--example", "generic"]);
+
+if (command.status !== 0) {
+    console.error(command.stderr.toString("utf8"));
+    process.exit(1);
+}
+
+const rust_ids_pretty = command.stdout.toString("utf8");
+const rust_ids = new Set(rust_ids_pretty.split("\n").map(line => line.split("\t")[0]).filter(id => id.length > 0));
+
+// Detect missing node IDs
+
+for (const id of rust_ids) {
+    if (node_ids.delete(id)) {
+        rust_ids.delete(id);
+    }
+}
+
+console.log("Node remains", node_ids);
+console.log("Rust remains", rust_ids);
+
+const percent = 1 - (node_ids.size / node_total);
+
+// Output percent to 2 decimal places
+setOutput("percent", Math.round(percent*10000)/100);