add crawley_gov_uk

doc/source/crawley_gov_uk.md

@@ -0,0 +1,48 @@
+# Crawley Borough Council (myCrawley)
+
+Support for schedules provided by [Crawley Borough Council (myCrawley)](https://crawley.gov.uk/), serving Crawley Borough, GB.
+
+## Configuration via configuration.yaml
+
+```yaml
+waste_collection_schedule:
+    sources:
+    - name: crawley_gov_uk
+      args:
+        uprn: UPRN
+        
+```
+
+### Configuration Variables
+
+**uprn**  
+*(String | Integer) (required)*
+
+**usrn**  
+*(String | Integer) (optional), Probably not needed*
+
+## Example
+
+```yaml
+waste_collection_schedule:
+    sources:
+    - name: crawley_gov_uk
+      args:
+        uprn: 100061775179   
+```
+
+```yaml
+waste_collection_schedule:
+    sources:
+    - name: crawley_gov_uk
+      args:
+        uprn: 100061787552
+        usrn: 9700731
+        
+```
+
+## How to get the source argument
+
+An easy way to discover your Unique Property Reference Number (UPRN) is by going to <https://www.findmyaddress.co.uk/> and entering in your address details.
+
+USRN map: <https://uprn.uk/usrn-map>