only use sso redirection if sso is enabled

.env.sample

@@ -7,3 +7,5 @@ LETS_ENCRYPT_ENV=production
 HOMESERVER=matrix-synapse.example.com
 SERVER_NAME=mymatrix
 BRAND=mymatrix
+
+USE_SSO=false

abra.sh

@@ -1 +1 @@
-export CONFIG_JSON_VERSION=v3
+export CONFIG_JSON_VERSION=v4

compose.yml

@@ -8,6 +8,7 @@ services:
       - DOMAIN
       - HOMESERVER
       - SERVER_NAME
+      - USE_SSO=${USE_SSO:-true}
     networks:
       - proxy
     configs:

config.json.tmpl

@@ -6,7 +6,7 @@
         }
     },
     "sso_redirect_options": {
-        "immediate": true
+        "immediate": {{ env "USE_SSO" }}
     },
     "disable_custom_urls": false,
     "disable_guests": true,

renovate.json

@@ -1,6 +0,0 @@
-{
-  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": [
-    "config:recommended"
-  ]
-}