feat: Add SEMSTORM domain input and SEO panel links

- Added optional SEMSTORM domain input field in site creation and editing forms.
- Introduced SEO panel links in site dashboard and edit pages.
- Created a new cron job for SEMSTORM data synchronization.
- Implemented database migrations for cron logs and site SEO metrics.
- Developed SiteSeoSyncService to handle SEMSTORM data fetching and storage.
- Added logging functionality for cron events.
- Created a new LogController to display cron logs with filtering options.
- Added SEO statistics dashboard with visual representation of metrics.
- Implemented site SEO metrics model for data retrieval and manipulation.

migrations/009_site_seo_metrics.sql

@@ -0,0 +1,20 @@
+-- BackPRO SEMSTORM metrics history
+ALTER TABLE sites
+    ADD COLUMN semstorm_domain VARCHAR(255) NULL AFTER url;
+
+CREATE TABLE IF NOT EXISTS site_seo_metrics (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    site_id INT NOT NULL,
+    metric_month DATE NOT NULL,
+    top3 INT NOT NULL DEFAULT 0,
+    top10 INT NOT NULL DEFAULT 0,
+    top20 INT NOT NULL DEFAULT 0,
+    top50 INT NOT NULL DEFAULT 0,
+    traffic INT NOT NULL DEFAULT 0,
+    source_payload TEXT NULL,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    FOREIGN KEY (site_id) REFERENCES sites(id) ON DELETE CASCADE,
+    UNIQUE KEY uniq_site_month (site_id, metric_month),
+    INDEX idx_site_month (site_id, metric_month)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;