feat(api): add dashboard endpoints for clinic, doctor, and secretary roles

- Implemented GET /api/v1/dashboard/clinic to return clinic stats and today's schedule for clinic owners.
- Implemented GET /api/v1/dashboard/doctor to return doctor's stats and today's schedule for doctors.
- Implemented GET /api/v1/dashboard/secretary to return stats and conditional appointments for secretaries.

feat(migrations): create user_active_context and mobile_verification_otp tables

- Added migration to create user_active_context table for tracking active user sessions.
- Added migration to create mobile_verification_otp table for handling mobile number verification.

feat(migrations): create site_config table for application settings

- Added migration to create site_config table to store various site configuration settings.

feat(appointments): create MyAppointmentsController for user-specific appointments

- Added MyAppointmentsController to handle fetching user-specific appointments with pagination and filtering.

feat(auth): implement NotificationMobileController for mobile number verification

- Added NotificationMobileController to handle OTP requests and verification for mobile number changes.

feat(auth): create MobileVerificationOtp entity for OTP management

- Created MobileVerificationOtp entity to manage OTP records for mobile verification.

feat(auth): create UserActiveContext entity for user session management

- Created UserActiveContext entity to manage user active sessions.

feat(config): implement SiteConfigController for managing site settings

- Added SiteConfigController to handle fetching and updating site configuration settings.

feat(config): create SiteConfig entity and repository for configuration management

- Created SiteConfig entity and repository to manage site configuration data.

src/Config/Entity/SiteConfig.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Config\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+
+#[ORM\Entity]
+#[ORM\Table(name: 'site_config')]
+class SiteConfig
+{
+    #[ORM\Id]
+    #[ORM\Column(name: 'config_key', type: 'string', length: 100)]
+    private string $configKey;
+
+    #[ORM\Column(name: 'config_value', type: 'text', nullable: true)]
+    private ?string $configValue;
+
+    #[ORM\Column(name: 'updated_at', type: 'integer')]
+    private int $updatedAt;
+
+    public function __construct(string $key, ?string $value = null)
+    {
+        $this->configKey   = $key;
+        $this->configValue = $value;
+        $this->updatedAt   = time();
+    }
+
+    public function getKey(): string    { return $this->configKey; }
+    public function getValue(): ?string { return $this->configValue; }
+
+    public function setValue(?string $value): self
+    {
+        $this->configValue = $value;
+        $this->updatedAt   = time();
+        return $this;
+    }
+}