Prevent schildichat from being installed by default

roles/custom/matrix-client-schildichat/defaults/main.yml

@@ -1,7 +1,7 @@
 ---
 # Project source code URL: https://github.com/SchildiChat/schildichat-desktop
 
-matrix_client_schildichat_enabled: true
+matrix_client_schildichat_enabled: false
 
 matrix_client_schildichat_container_image_self_build: false