Add new source AWM München (#1768)

* Add new source AWM München

* fstring + typehint + comment fix

---------

Co-authored-by: 5ila5 <5ila5@users.noreply.github.com>

doc/source/awm_muenchen_de.md

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+# Abfallwirtschaftsbetrieb München
+
+Support for schedules provided by [Abfallwirtschaftsbetrieb München](https://www.awm-muenchen.de/), Germany.
+
+
+## Configuration via configuration.yaml
+
+```yaml
+waste_collection_schedule:
+  sources:
+    - name: awm_muenchen_de
+      args:
+        street: STREET
+        house_number: HNR
+        b_collect_cycle: COLLECTION CYCLE ID
+        p_collect_cycle: COLLECTION CYCLE ID
+        r_collect_cycle: COLLECTION CYCLE ID
+```
+
+### Configuration Variables
+
+**street**  
+*(string) (required)*
+
+**house_number**  
+*(string) (required)*
+
+**b_collect_cycle**  
+*(string) (optional) (default: "")*
+
+**p_collect_cycle**  
+*(string) (optional) (default: "")*
+
+**r_collect_cycle**  
+*(string) (optional) (default: "")*
+
+## Example
+
+```yaml
+waste_collection_schedule:
+  sources:
+    - name: awm_muenchen_de
+      args:
+        street: "Waltenbergerstr."
+        house_number: "1"
+    - name: awm_muenchen_de
+      args:
+        street: "Neureutherstr."
+        house_number: "8"
+        r_collect_cycle: "1/2;G"
+```
+
+Some addresses have different bin collection cycles (ex: weekly, bi-weekly). For these addresses the optional parameters are required.
+
+## How to get the optional configuration arguments
+
+ - Setup the component without the optional parameter and restart Home Assistant
+ - Check the Home Assistant log for entries from this component.
+ - The available options are listed in the error message.
+ - Adjust the configuration and restart Home Assistant.
+ 
+## Examples
+
+### Waltenbergerstr. 1
+
+```yaml
+waste_collection_schedule:
+  sources:
+    - name: awm_muenchen_de
+      args:
+        street: "Waltenbergerstr."
+        house_number: "1"
+```
+
+### Neureutherstr. 8 with an collection cycle option
+
+```yaml
+waste_collection_schedule:
+  sources:
+    - name: awm_muenchen_de
+      args:
+        street: "Neureutherstr."
+        house_number: "8"
+        r_collect_cycle: "1/2;G"
+```