add reso_gmbh_de

doc/source/reso_gmbh_de.md

@@ -0,0 +1,39 @@
+# RESO
+
+Support for schedules provided by [RESO](https://reso-gmbh.de), serving Multiple cities in Germany.
+
+## Configuration via configuration.yaml
+
+```yaml
+waste_collection_schedule:
+    sources:
+    - name: reso_gmbh_de
+      args:
+        ort: ORT
+        ortsteil: ORTSTEIL
+        
+```
+
+### Configuration Variables
+
+**ort**  
+*(String) (required)*
+
+**ortsteil**  
+*(String) (required)*
+
+## Example
+
+```yaml
+waste_collection_schedule:
+    sources:
+    - name: reso_gmbh_de
+      args:
+        ort: Reichelsheim
+        ortsteil: Kerngemeinde
+        
+```
+
+## How to get the source argument
+
+Find the parameter of your address using [https://www.reso-gmbh.de/abfuhrplaene/](https://www.reso-gmbh.de/abfuhrplaene/) and write them exactly like on the web page.