Skip token/prefix config check for non-JSON setups

This should fix non-JSON (postgres) setups so they can start again. Sorry about that.

root/app/functions/main-loop.sh

@@ -40,15 +40,18 @@ while [ "${RETURN_CODE}" -eq 26 ]; do
         . /app/functions/configure-redbot.sh
     fi
 
-    # Make sure token and prefix are configured
-    if [ ! -f "/data/core/settings.json" ] || ! jq -e '."0".GLOBAL.token' /data/core/settings.json > /dev/null || ! jq -e '."0".GLOBAL.prefix' /data/core/settings.json > /dev/null; then
-        echo ""
-        echo "ERROR"
-        echo "The configuration file is missing the bot token and/or prefix."
-        echo "If this is the first time you are running the bot, make sure"
-        echo "you specify the \"TOKEN\" and \"PREFIX\" environment variables"
-        echo "(you can remove them after successfully running the bot once)"
-        exit 1
+    # For default JSON setup...
+    if [ "$(jq -r .docker.STORAGE_TYPE /data/config.json | tr '[:upper:]' '[:lower:]')" = "json" ]; then
+        # ...make sure token and prefix are configured
+        if [ ! -f "/data/core/settings.json" ] || ! jq -e '."0".GLOBAL.token' /data/core/settings.json > /dev/null || ! jq -e '."0".GLOBAL.prefix' /data/core/settings.json > /dev/null; then
+            echo ""
+            echo "ERROR"
+            echo "The configuration file is missing the bot token and/or prefix."
+            echo "If this is the first time you are running the bot, make sure"
+            echo "you specify the \"TOKEN\" and \"PREFIX\" environment variables"
+            echo "(you can remove them after successfully running the bot once)"
+            exit 1
+        fi
     fi
 
     echo "Starting Red-DiscordBot!"