feat: Add CalendarSelector component and install new dependencies.

node_modules/rxjs/dist/cjs/internal/operators/mergeScan.js

@@ -0,0 +1,16 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.mergeScan = void 0;
+var lift_1 = require("../util/lift");
+var mergeInternals_1 = require("./mergeInternals");
+function mergeScan(accumulator, seed, concurrent) {
+    if (concurrent === void 0) { concurrent = Infinity; }
+    return lift_1.operate(function (source, subscriber) {
+        var state = seed;
+        return mergeInternals_1.mergeInternals(source, subscriber, function (value, index) { return accumulator(state, value, index); }, concurrent, function (value) {
+            state = value;
+        }, false, undefined, function () { return (state = null); });
+    });
+}
+exports.mergeScan = mergeScan;
+//# sourceMappingURL=mergeScan.js.map