Add SRV återvinning - changes

change filenames
change sourcename in doc
remove old files
remove dates variable
use params in requests

doc/source/srvatervinning_se.md

@@ -0,0 +1,35 @@
+# SRV återvinning AB
+
+Support for schedules provided by [SRV återvinning AB](https://www.srvatervinning.se/), Sweden.
+
+## Configuration via configuration.yaml
+
+```yaml
+waste_collection_schedule:
+  sources:
+    - name: srvatervinning_se
+      args:
+        address: address
+```
+
+### Configuration Variables
+
+**address**<br>
+*(string) (required)*
+
+## Example
+
+```yaml
+waste_collection_schedule:
+  sources:
+    - name: srvatervinning_se
+      args:
+        address: "Skansvägen"
+
+```
+
+## How to get the source arguments
+
+1. Go to your calendar at [SRV återvinning AB](https://www.srvatervinning.se/sophamtning/privat/hamtinformation-och-driftstorningar)
+2. Enter your address.
+3. Copy the exact values from the textboxes in the source configuration.