Merge pull request 'Create Service.h' (#1) from dev into main

Reviewed-on: #1

Service.h

@@ -0,0 +1,9 @@
+#include <string>
+#include "Weather.h"
+
+class Service {
+public:
+    virtual ~Service() = default;
+    
+    virtual Weather getWeather(std::string s) = 0;
+};