Added Hindi Locale

Author: aashutoshrathi

Diff for: AUTHORS.txt

@@ -2,6 +2,7 @@
 282159468 <[email protected]>
 778758944 <[email protected]>
 Aaron Planell López <[email protected]>
+Aashutosh Rathi <[email protected]>
 Aditya Padhi <[email protected]>
 Adrian Dimitrov <[email protected]>
 Alan Braithwaite <[email protected]>

Diff for: components/calendar/locale/hi_IN.tsx

@@ -0,0 +1,2 @@
+import hi_IN from '../../date-picker/locale/hi_IN';
+export default hi_IN;

Diff for: components/date-picker/locale/hi_IN.tsx

@@ -0,0 +1,19 @@
+import CalendarLocale from 'rc-calendar/lib/locale/hi_IN';
+import TimePickerLocale from '../../time-picker/locale/hi_IN';
+
+// Merge into a locale object
+const locale = {
+  lang: {
+    placeholder: 'तारीख़ चुनें',
+    rangePlaceholder: ['प्रारंभ तिथि', 'समाप्ति तिथि'],
+    ...CalendarLocale,
+  },
+  timePickerLocale: {
+    ...TimePickerLocale,
+  },
+};
+
+// All settings at:
+// https://github.com/ant-design/ant-design/blob/master/components/date-picker/locale/example.json
+
+export default locale;