Add more readable property provider label

lib/streaming_providers/base/provider.py

@@ -43,6 +43,13 @@ class StreamingProvider(ABC):
         """Return the provider name (e.g., 'joyn', 'zdf', 'ard')"""
         pass
 
+    @property
+    @abstractmethod
+    def provider_label(self) -> str:
+        """Return the provider label (e.g., 'JOYN', 'ZDF', 'RTL+')"""
+        pass
+
+
     @property
     @abstractmethod
     def uses_dynamic_manifests(self) -> bool:

lib/streaming_providers/providers/joyn/provider.py

@@ -160,6 +160,10 @@ class JoynProvider(StreamingProvider):
     def provider_name(self) -> str:
         return 'joyn'
 
+    @property
+    def provider_label(self) -> str:
+        return f'Joyn ({self.country})'
+
     @property
     def uses_dynamic_manifests(self) -> bool:
         return False

lib/streaming_providers/providers/rtlplus/provider.py

@@ -56,6 +56,11 @@ class RTLPlusProvider(StreamingProvider):
     def provider_name(self) -> str:
         return "rtlplus"
 
+    @property
+    def provider_label(self) -> str:
+        return 'RTL+'
+
+
     @property
     def uses_dynamic_manifests(self) -> bool:
         # RTL+ provides relatively stable manifest URLs that can be fetched and cached