added singular methods for Moment

methods: hour, minute, second and millisecond

moment/moment.d.ts

@@ -176,12 +176,20 @@ interface Moment {
     day(): number;
     date(d: number): Moment;
     date(): number;
+    hour(h: number): Moment;
+    hour(): number;
     hours(h: number): Moment;
     hours(): number;
+    minute(m: number): Moment;
+    minute(): number;
     minutes(m: number): Moment;
     minutes(): number;
+    second(s: number): Moment;
+    second(): number;
     seconds(s: number): Moment;
     seconds(): number;
+    millisecond(ms: number): Moment;
+    millisecond(): number;
     milliseconds(ms: number): Moment;
     milliseconds(): number;
     weekday(): number;