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/modules/auth/pages/auth.component.html

@@ -0,0 +1,37 @@
+<div class="bg-white h-svh relative">
+  <div class="absolute inset-0 opacity-30 blur-xs flex items-center justify-center">
+    <img [src]="authVector" alt="background image" class="object-cover max-w-full max-h-full" />
+  </div>
+  <div class="flex justify-center items-center relative z-10 h-svh mx-auto bg-gray-800/80">
+    <div
+      class="flex flex-col items-center justify-center px-12 py-10 h-auto bg-surface-card border border-surface-border rounded-lg shadow w-full max-w-md"
+    >
+      <div class="flex flex-col gap-4 text-center mb-10 items-center justify-center">
+        <img [src]="logo" alt="امتحانات شبه نهایی سنجش" class="w-20 h-auto" />
+        <span class="text-lg font-bold"> به پنل امتحانات شبه نهایی سنجش خوش آمدید. </span>
+      </div>
+
+      @if (activeStep() === "login") {
+        <app-login
+          [redirectUrl]="redirectUrl"
+          [loginApiUrl]="loginApiUrl"
+          [defaultRole]="role"
+          class="w-full"
+          (onSuccessfullySubmit)="onLoggedIn($event)"
+          (onToSignup)="toSignUp()"
+        />
+      } @else if (activeStep() === "signup") {
+        <auth-signup role="TEACHER" class="w-full" />
+      } @else if (activeStep() === "otp") {
+        <app-otp class="w-full" />
+      } @else if (activeStep() === "modifyLoginInfo") {
+        <app-modify-login-info
+          [userLoginInfo]="{}"
+          [role]="selectedRole()!"
+          (onSubmit)="onModifyLoginInfo()"
+          class="w-full"
+        />
+      }
+    </div>
+  </div>
+</div>