Make getNetworkInterfaces() and getBestPublicIp() available via tools.h

Remove HTTP URL helper line - should be done in kiwix-serve
Add getters at server level - getAddress and getPort

include/server.h

@@ -60,7 +60,9 @@ namespace kiwix
         { m_withTaskbar = withTaskbar; m_withLibraryButton = withLibraryButton; }
        void setBlockExternalLinks(bool blockExternalLinks)
         { m_blockExternalLinks = blockExternalLinks; }
-
+       int getPort();
+       std::string getAddress();
+       
      protected:
        Library* mp_library;
        NameMapper* mp_nameMapper;

include/tools.h

@@ -22,6 +22,7 @@
 
 #include <string>
 #include <vector>
+#include <map>
 
 namespace kiwix {
 
@@ -194,5 +195,17 @@ bool fileExists(const std::string& path);
  * @return mimetype from filename in string format.
  */
 std::string getMimeTypeForFile(const std::string& filename);
+
+/** Provides all available network interfaces
+ * 
+ * This function provides the available IPv4 network interfaces
+ */
+std::map<std::string, std::string> getNetworkInterfaces();
+
+/** Provides the best IP address
+ * This function provides the best IP address from the list given by getNetworkInterfaces
+ */
+std::string getBestPublicIp();
+
 }
 #endif // KIWIX_TOOLS_H