add Backend of My Local Services App

You can just search schedule using coordinates

doc/source/app_my_local_services_au.md

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+# App Backend of My Local Services
+
+Support for schedules provided by [App Backend of My Local Services](https://www.localcouncils.sa.gov.au), serving App Backend of My Local Services, Australia.
+
+## Configuration via configuration.yaml
+
+```yaml
+waste_collection_schedule:
+    sources:
+    - name: app_my_local_services_au
+      args:
+        lat: LATITUDE
+        lon: LONGITUDE
+        
+```
+
+### Configuration Variables
+
+**lat**  
+*(String) (required)*
+
+**lon**  
+*(String) (required)*
+
+## Example
+
+```yaml
+waste_collection_schedule:
+    sources:
+    - name: app_my_local_services_au
+      args:
+        lat: -34.916506399999996
+        lon: 138.8820226
+        
+```
+
+## Supported Councils
+
+The Website says that the following councils are supported, but we did not test all of them. If you find that your council is not supported, please open an issue.
+
+- City of Adelaide
+- Adelaide Hills Council
+- Adelaide Plains Council
+- Alexandrina Council
+- Berri Barmera Council
+- Campbelltown City Council
+- City of Burnside
+- City of Charles Sturt
+- City of Mount Gambier
+- City of Mitcham
+- City of Norwood Payneham and St Peters
+- City of Onkaparinga
+- City of Port Adelaide Enfield
+- City of Prospect
+- City of Salisbury
+- City of West Torrens
+- City of Whyalla
+- Clare and Gilbert Valleys Council
+- Coorong District Council
+- District Council of Barunga West
+- District Council of Cleve
+- Council of Copper Coast
+- District Council of Ceduna
+- District Council of Elliston
+- District Council of Loxton Waikerie
+- District Council of Mount Barker
+- District Council of Mount Remarkable
+- District Council of Robe
+- District Council of Streaky Bay
+- Light Regional Council
+- Mid Murray Council
+- Naracoorte Lucindale Council
+- Northern Areas Council
+- Port Augusta City Council
+- Port Pirie Regional Council
+- Regional Council of Goyder
+- Renmark Paringa Council
+- Rural City of Murray Bridge
+- Southern Mallee District Council
+- The Flinders Ranges Council
+- Town of Walkerville
+- Wakefield Regional Council
+- Yankalilla District Council
+- Yorke Peninsula Council
+
+## How to get the source argument
+
+Find the latitude and longitude of your address using [Google Maps](https://www.google.com/maps) or any other maps service. It should be as accurate as possible(many decimal places) to get the correct schedule.