feat: add LibreWolf browser detection (#578)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: naorpeled <6171622+naorpeled@users.noreply.github.com>

src/parser-browsers.js

@@ -892,6 +892,21 @@ const browsersList = [
       return browser;
     },
   },
+  {
+    test: [/librewolf/i],
+    describe(ua) {
+      const browser = {
+        name: 'LibreWolf',
+      };
+      const version = Utils.getFirstMatch(/(?:librewolf)[\s/](\d+(\.?_?\d+)+)/i, ua);
+
+      if (version) {
+        browser.version = version;
+      }
+
+      return browser;
+    },
+  },
   {
     test: [/firefox|iceweasel|fxios/i],
     describe(ua) {