feat: add logo image and RTL support styles

- Added logo image to assets.
- Implemented RTL support styles in rtlSupport.scss for various components including breadcrumb, datatable, and tree node toggle button.

chore: configure environment files for production, staging, and development

- Created environment.prod.ts for production settings.
- Created environment.staging.ts for staging settings.
- Created environment.ts for local development settings.

feat: define custom theme preset

- Added presets.ts to define a custom theme preset using PrimeUIX with specific component styles and semantic colors.

chore: set up proxy configuration for local development

src/app/uikit/datepicker/datepicker.component.ts

@@ -0,0 +1,48 @@
+import { Maybe } from '@/core';
+import { CommonModule } from '@angular/common';
+import {
+  Component,
+  ElementRef,
+  EventEmitter,
+  Input,
+  OnInit,
+  Output,
+  ViewChild,
+} from '@angular/core';
+import { FormControl, ReactiveFormsModule } from '@angular/forms';
+import flatpickr from 'flatpickr-wrap';
+import { BaseOptions } from 'flatpickr-wrap/dist/types/options';
+import { InputTextModule } from 'primeng/inputtext';
+import { UikitFieldComponent } from '../uikit-field.component';
+
+@Component({
+  selector: 'uikit-datepicker',
+  standalone: true,
+  imports: [CommonModule, ReactiveFormsModule, InputTextModule, UikitFieldComponent],
+  templateUrl: './datepicker.component.html',
+})
+export class UikitFlatpickrJalaliComponent implements OnInit {
+  @Input() control?: FormControl<Maybe<string>>;
+  @Input() placeholder = 'انتخاب تاریخ';
+  @Input() label = 'تاریخ';
+  @Input() disabled = false;
+  @Input() name: string = 'datepicker';
+  @Input() options: Partial<BaseOptions> = {};
+
+  @Output() valueChange = new EventEmitter<string>();
+
+  @ViewChild('wrapper', { static: true }) wrapperRef!: ElementRef<HTMLElement>;
+
+  private fpInstance: any | null = null;
+
+  ngOnInit(): void {
+    this.fpInstance = flatpickr(this.wrapperRef.nativeElement, {
+      ...this.options,
+      altInputClass: 'p-inputtext w-full',
+      onChange: (selectedDates: Date[], dateStr: string) => {
+        this.valueChange.emit(dateStr);
+        if (this.control) this.control.setValue(dateStr);
+      },
+    });
+  }
+}