Add js web stuff to landing page + documentation

go/jsruntime/runtime/@solidjs/router/dist/routers/StaticRouter.js

@@ -0,0 +1,15 @@
+import { getRequestEvent } from "solid-js/web";
+import { createRouterComponent } from "./components.js";
+function getPath(url) {
+    const u = new URL(url);
+    return u.pathname + u.search;
+}
+export function StaticRouter(props) {
+    let e;
+    const obj = {
+        value: props.url || ((e = getRequestEvent()) && getPath(e.request.url)) || "",
+    };
+    return createRouterComponent({
+        signal: [() => obj, next => Object.assign(obj, next)]
+    })(props);
+}