feat: Add CalendarSelector component and install new dependencies.

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

@@ -0,0 +1,26 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.scanInternals = void 0;
+var OperatorSubscriber_1 = require("./OperatorSubscriber");
+function scanInternals(accumulator, seed, hasSeed, emitOnNext, emitBeforeComplete) {
+    return function (source, subscriber) {
+        var hasState = hasSeed;
+        var state = seed;
+        var index = 0;
+        source.subscribe(OperatorSubscriber_1.createOperatorSubscriber(subscriber, function (value) {
+            var i = index++;
+            state = hasState
+                ?
+                    accumulator(state, value, i)
+                :
+                    ((hasState = true), value);
+            emitOnNext && subscriber.next(state);
+        }, emitBeforeComplete &&
+            (function () {
+                hasState && subscriber.next(state);
+                subscriber.complete();
+            })));
+    };
+}
+exports.scanInternals = scanInternals;
+//# sourceMappingURL=scanInternals.js.map