library support improvements: add index.js which exports all from ui.js

update to latest wabac.js -- smaller size
support for 'source' param on <replay-app-main> which sets sourceUrl and forces direct loading of a single archive only
bump version to 1.3.5

src/appmain.js

@@ -51,6 +51,7 @@ class ReplayWebApp extends LitElement
       collPageUrl: { type: String },
       pageTitle: { type: String },
       pageReplay: { type: Boolean },
+      source: { type: String }
     }
   }
 
@@ -331,6 +332,13 @@ class ReplayWebApp extends LitElement
       }
     }
 
+    if (this.source) {
+      this.pageParams.set("source", this.source);
+      const url = new URL(window.location.href);
+      url.search = this.pageParams.toString();
+      window.history.replaceState({}, document.title, url.href);
+    }
+
     this.sourceUrl = this.pageParams.get("source") || "";
     this.embed = this.pageParams.get("embed") || "";