Chore: Removed @angular/flex-layout and replaced it with tailwind.

Chore: Upgraded some packages

overlord/src/app/employee-attendance/employee-attendance.module.ts

@@ -2,7 +2,6 @@ import { A11yModule } from '@angular/cdk/a11y';
 import { CdkTableModule } from '@angular/cdk/table';
 import { CommonModule } from '@angular/common';
 import { NgModule } from '@angular/core';
-import { FlexLayoutModule } from '@angular/flex-layout';
 import { ReactiveFormsModule } from '@angular/forms';
 import { MomentDateAdapter } from '@angular/material-moment-adapter';
 import { MatAutocompleteModule } from '@angular/material/autocomplete';
@@ -49,7 +48,6 @@ export const MY_FORMATS = {
     A11yModule,
     CommonModule,
     CdkTableModule,
-    FlexLayoutModule,
     MatAutocompleteModule,
     MatButtonModule,
     MatCardModule,