Fix YAML syntax

Author: TheFrenchGhosty

docker-compose.yml

@@ -11,10 +11,10 @@ services:
     ports:
       - "127.0.0.1:3000:3000"
     environment:
-      INVIDIOUS_CONFIG: |
       # Please read the following file for a comprehensive list of all available
       # configuration options and their associated syntax:
       # https://github.com/iv-org/invidious/blob/master/config/config.example.yml
+      INVIDIOUS_CONFIG: |
         check_tables: true
         db:
           dbname: invidious