Vue bundle - Add main.js.LICENSE.txt

There is a reference to it in main.js, it makes sense to include it in
our codebase

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>

koha-tmpl/intranet-tmpl/prog/js/vue/dist/main.js.LICENSE.txt

@@ -0,0 +1,17 @@
+/*!
+  * pinia v2.0.23
+  * (c) 2022 Eduardo San Martin Morote
+  * @license MIT
+  */
+
+/*!
+  * vue-router v4.1.5
+  * (c) 2022 Eduardo San Martin Morote
+  * @license MIT
+  */
+
+/*!
+ * Font Awesome Free 6.2.0 by @fontawesome - https://fontawesome.com
+ * License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
+ * Copyright 2022 Fonticons, Inc.
+ */