ICS add siegen-stadt.de

doc/ics/siegen_stadt_de.md

@@ -0,0 +1,23 @@
+# Siegen
+
+Siegen is supported by the generic [ICS](/doc/source/ics.md) source. For all available configuration options, please refer to the source description.
+
+
+## How to get the configuration arguments
+
+- Visit <https://www.siegen-stadt.de/abfallkalender/> and select your location.  
+- Right click -> copy link address on `Abfallkalender als iCAL` below `Druckansichten` to get the ics link.
+- Replace the `url` in the example configuration with this link.
+- Replace the year in the link with `{%Y}` to always get the current year.
+
+## Examples
+
+### HAUPTSTRAßE
+
+```yaml
+waste_collection_schedule:
+  sources:
+    - name: ics
+      args:
+        url: https://www.siegen-stadt.de/abfallkalender/list/download/4130/{%Y}/0
+```