add all frontend files

node_modules/antd/es/date-picker/locale/lt_LT.js

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+import CalendarLocale from "rc-picker/es/locale/lt_LT";
+import TimePickerLocale from '../../time-picker/locale/lt_LT';
+// Merge into a locale object
+const locale = {
+  lang: Object.assign({
+    placeholder: 'Pasirinkite datą',
+    yearPlaceholder: 'Pasirinkite metus',
+    quarterPlaceholder: 'Pasirinkite ketvirtį',
+    monthPlaceholder: 'Pasirinkite mėnesį',
+    weekPlaceholder: 'Pasirinkite savaitę',
+    rangePlaceholder: ['Pradžios data', 'Pabaigos data'],
+    rangeYearPlaceholder: ['Pradžios metai', 'Pabaigos metai'],
+    rangeQuarterPlaceholder: ['Pradžios ketvirtis', 'Pabaigos ketvirtis'],
+    rangeMonthPlaceholder: ['Pradžios mėnesis', 'Pabaigos mėnesis'],
+    rangeWeekPlaceholder: ['Pradžios savaitė', 'Pabaigos savaitė']
+  }, CalendarLocale),
+  timePickerLocale: Object.assign({}, TimePickerLocale)
+};
+// All settings at:
+// https://github.com/ant-design/ant-design/blob/master/components/date-picker/locale/example.json
+export default locale;