Add initial KNX configuration files and .gitignore

- Created .gitignore to exclude specific directories and files.
- Added climate.yaml for climate control configurations.
- Added cover.yaml for cover control configurations.
- Created knx_groups.csv and knx_groups_not_added.csv for KNX group management.
- Included knx.yaml to organize KNX components and their configurations.
- Added light.yaml for light control configurations.

knx/climate.yaml

@@ -0,0 +1,67 @@
+# Climate UG
+- name: "RTR_UG_FL"
+  temperature_address: "1/3/4"
+  target_temperature_address: "1/3/0"
+  target_temperature_state_address: "1/3/0"
+  operation_mode_address: "1/3/6"
+  operation_mode_state_address: "1/3/6"
+  active_state_address: "1/3/8"
+
+# Climate EG
+- name: "RTR_EG_WZ"
+  temperature_address: "2/3/4"
+  target_temperature_address: "2/3/0"
+  target_temperature_state_address: "2/3/0"
+  operation_mode_address: "2/3/6"
+  operation_mode_state_address: "2/3/6"
+  active_state_address: "2/3/8"
+
+# Climate OG1
+- name: "RTR_OG1/2_FL"
+  temperature_address: "3/3/4"
+  target_temperature_address: "3/3/0"
+  target_temperature_state_address: "3/3/0"
+  operation_mode_address: "3/3/6"
+  operation_mode_state_address: "3/3/6"
+  active_state_address: "3/3/8"
+
+- name: "RTR_OG1_SZ1"
+  temperature_address: "3/3/14"
+  target_temperature_address: "3/3/10"
+  target_temperature_state_address: "3/3/10"
+  operation_mode_address: "3/3/16"
+  operation_mode_state_address: "3/3/16"
+  active_state_address: "3/3/18"
+
+- name: "RTR_OG1_SZ2"
+  temperature_address: "3/3/24"
+  target_temperature_address: "3/3/20"
+  target_temperature_state_address: "3/3/20"
+  operation_mode_address: "3/3/26"
+  operation_mode_state_address: "3/3/26"
+  active_state_address: "3/3/28"
+
+- name: "RTR_OG1_BZ"
+  temperature_address: "3/3/34"
+  target_temperature_address: "3/3/30"
+  target_temperature_state_address: "3/3/30"
+  operation_mode_address: "3/3/36"
+  operation_mode_state_address: "3/3/36"
+  active_state_address: "3/3/38"
+
+# Climate OG2
+- name: "RTR_OG2_BZ"
+  temperature_address: "4/3/4"
+  target_temperature_address: "4/3/0"
+  target_temperature_state_address: "4/3/0"
+  operation_mode_address: "4/3/6"
+  operation_mode_state_address: "4/3/6"
+  active_state_address: "4/3/8"
+
+- name: "RTR_OG2_SZ"
+  temperature_address: "4/3/14"
+  target_temperature_address: "4/3/10"
+  target_temperature_state_address: "4/3/10"
+  operation_mode_address: "4/3/16"
+  operation_mode_state_address: "4/3/16"
+  active_state_address: "4/3/18"