Add supporting themes required for Lotusdocs

themes/hugo-mod-jslibs-dist/alpinejs/README.md

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+This module mounts [AlpineJS](https://github.com/alpinejs/alpine)'s `packages/.../dist` folders.
+
+See [Releases](https://github.com/gohugoio/hugo-mod-jslibs-dist/releases) for version information. We use the [Semver Pair](https://github.com/bep/semverpair) versioning scheme.
+
+The `packages` folder is mounted in `assets/jslibs/alpinejs/v3`.
+
+That means that you can just import it into your Hugo config:
+
+```toml
+[[module.imports]]
+path = "github.com/gohugoio/hugo-mod-jslibs-dist/alpinejs/v3"
+```
+
+And then use it in your JS files:
+
+```js
+import Alpine from 'jslibs/alpinejs/v3/alpinejs/dist/module.esm.js';
+import intersect from 'jslibs/alpinejs/v3/intersect/dist/module.esm.js';
+import persist from 'jslibs/alpinejs/v3/persist/dist/module.esm.js';
+
+// Set up and start Alpine.
+(function() {
+    // Register AlpineJS plugins.
+    Alpine.plugin(intersect);
+    Alpine.plugin(persist);
+
+    // Start Alpine.
+    Alpine.start();
+	
+})();
+```
+
+Note that AlpineJS now requires ES target 2017 or later to work:
+
+```handlebars
+{{ $params := dict }}
+{{ $opts := dict "sourceMap" $sourceMap "minify" (ne hugo.Environment "development") "target" "es2017" "params" $params }}
+{{ $js := $js | js.Build $opts }}
+```
+
+Note that this works great in combination with [Turbo](https://github.com/gohugoio/hugo-mod-jslibs/tree/master/turbo), but you would need to set up something like [these listeners](https://gist.github.com/bep/a9809f0cb119e44e8ddbe37dd1e58b50) to make it work properly.