feat: read BusProNet base data from the MyE&P API

src/BusProNet/Model/Hotel.php

@@ -12,7 +12,17 @@ class Hotel
     private ?string $street = null;
     private ?string $phone = null;
     private ?string $type = null;
+    /**
+     * The raw BusProNet abbreviation, which is not a standard: the same country turns
+     * up as D, DEU, A, AT or AUT. It joins against the country base data by token.
+     */
     private ?string $country = null;
+
+    /**
+     * The same country as lowercase ISO-3166-1 alpha-2, resolved by MyE&P. Null when
+     * the source carries no country or none can be determined.
+     */
+    private ?string $countryCode = null;
     private ?string $costUnit = null;
 
     public function getId(): ?int
@@ -123,6 +133,18 @@ class Hotel
         return $this;
     }
 
+    public function getCountryCode(): ?string
+    {
+        return $this->countryCode;
+    }
+
+    public function setCountryCode(?string $countryCode): static
+    {
+        $this->countryCode = $countryCode;
+
+        return $this;
+    }
+
     public function getCostUnit(): ?string
     {
         return $this->costUnit;