Add TED Scraper Configuration and Cron Scheduler Implementation

- Introduced a new configuration file for the TED scraper, defining database connection settings, logging preferences, and scraping parameters.
- Implemented a CronScheduler to manage scheduled tasks for TED operations, utilizing the robfig/cron library for scheduling.
- Added new entities and structures for handling TED XML data, including eForms and tender-related information, enhancing the scraper's functionality.
- Updated the main application to initialize the TED scraper with the new configuration and set up graceful shutdown handling.
- Removed the deprecated scraping implementation to streamline the codebase and focus on the new architecture.

cmd/scraper/config.yaml

@@ -0,0 +1,29 @@
+# TED Scraper Configuration
+database:
+  mongodb:
+    uri: "mongodb://localhost:27017"
+    name: "tender_management"
+    max_pool_size: 100
+    timeout: 30s
+
+logging:
+  level: "info"
+  format: "json"
+  output: "stdout"
+  file:
+    path: "./logs/scraper.log"
+    max_size: 100
+    max_backups: 10
+    max_age: 30
+    compress: true
+
+ted:
+  base_url: "https://ted.europa.eu"
+  timeout: 30s
+  max_retries: 3
+  retry_delay: 5s
+  user_agent: "TM-TED-Scraper/1.0"
+  max_concurrency: 5
+  download_dir: "./downloads"
+  cleanup_after: 24h
+  scraping_interval: 24h