feat: add scripts for database inspection and migration

- Implemented multiple scripts to check and inspect meal plans, scraped data, and accommodations for Munich and Riga.
- Added a migration script to convert scraped data into the application's database format.
- Introduced new database service methods for querying and updating travel rates.
- Enhanced server configuration for serving static files in production.
- Updated PostCSS configuration for consistency.

scripts/inspectFreshData.js

@@ -0,0 +1,38 @@
+const Database = require("better-sqlite3");
+const sourceDb = new Database("data/travel_rates_scraped.sqlite3");
+
+// Check schema
+console.log("\n=== ACCOMMODATIONS SCHEMA ===");
+const accomSchema = sourceDb
+  .prepare(
+    "SELECT sql FROM sqlite_master WHERE type='table' AND name='accommodations'"
+  )
+  .get();
+console.log(accomSchema.sql);
+
+// Get Latvia data
+console.log("\n=== LATVIA ACCOMMODATIONS ===");
+const latvia = sourceDb
+  .prepare(
+    `
+  SELECT * FROM accommodations 
+  WHERE source_url LIKE '%Latvia%' OR raw_json LIKE '%Latvia%'
+  LIMIT 5
+`
+  )
+  .all();
+console.log(JSON.stringify(latvia, null, 2));
+
+// Search for Riga specifically
+console.log("\n=== RIGA SEARCH ===");
+const riga = sourceDb
+  .prepare(
+    `
+  SELECT * FROM accommodations 
+  WHERE city LIKE '%Riga%' OR raw_json LIKE '%Riga%'
+`
+  )
+  .all();
+console.log(JSON.stringify(riga, null, 2));
+
+sourceDb.close();