Add web front-end and fix API issues

node_modules/rxjs/dist/esm5/internal/observable/merge.js

@@ -0,0 +1,23 @@
+import { mergeAll } from '../operators/mergeAll';
+import { innerFrom } from './innerFrom';
+import { EMPTY } from './empty';
+import { popNumber, popScheduler } from '../util/args';
+import { from } from './from';
+export function merge() {
+    var args = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+        args[_i] = arguments[_i];
+    }
+    var scheduler = popScheduler(args);
+    var concurrent = popNumber(args, Infinity);
+    var sources = args;
+    return !sources.length
+        ?
+            EMPTY
+        : sources.length === 1
+            ?
+                innerFrom(sources[0])
+            :
+                mergeAll(concurrent)(from(sources, scheduler));
+}
+//# sourceMappingURL=merge.js.map