Update Home Assistant configuration and automations

- Updated .ha_run.lock to reflect the new Home Assistant version 2026.4.2.
- Enhanced automations.yaml with improved entity targeting and additional automation actions for window shading.
- Refactored configuration.yaml to include templates from a separate file for better organization.
- Added new ESPHome configurations for window sensors and updated KNX configurations for door contacts and buttons.
- Removed deprecated pv_to_dhw.yaml package to streamline the project.

knx/button.yaml

@@ -1,5 +1,8 @@
-- name: 'Garagentor 1'
+- name: 'Garagentor Conny öffnen'
   address: '5/4/0'
 
-- name: 'Garagentor 2'
+- name: 'Garagentor Ben öffnen'
   address: '5/4/1'
+
+- name: 'Haustür öffnen'
+  address: '0/0/2'