fix Update .env-sample with default values

.env-sample

@@ -9,7 +9,7 @@ DATABASE_URL=username:password@hostname:port # to connect to PostgreSQL
 DATABASE_PATH=data/comet.db # only change it if you know what it is - folders in path must exist - ignored if PostgreSQL used
 CACHE_TTL=86400 # cache duration in seconds
 DEBRID_PROXY_URL=http://127.0.0.1:1080 # https://github.com/cmj2002/warp-docker to bypass Debrid Services and Torrentio server IP blacklist 
-INDEXER_MANAGER_TYPE=jackett # or prowlarr or None if you want to disable it completely and use Zilean or Torrentio
+INDEXER_MANAGER_TYPE=None # jackett or prowlarr or None if you want to disable it completely and use Zilean or Torrentio
 INDEXER_MANAGER_URL=http://127.0.0.1:9117
 INDEXER_MANAGER_API_KEY=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 INDEXER_MANAGER_TIMEOUT=60 # maximum time to obtain search results from indexer manager in seconds
@@ -26,4 +26,4 @@ PROXY_DEBRID_STREAM_MAX_CONNECTIONS=100 # IP-Based connection limit for the Debr
 PROXY_DEBRID_STREAM_DEBRID_DEFAULT_SERVICE=realdebrid # if you want your users who use the Debrid Stream Proxy not to have to specify Debrid information, but to use the default one instead
 PROXY_DEBRID_STREAM_DEBRID_DEFAULT_APIKEY=CHANGE_ME # if you want your users who use the Debrid Stream Proxy not to have to specify Debrid information, but to use the default one instead
 TITLE_MATCH_CHECK=True # disable if you only use Torrentio / MediaFusion and are sure you're only scraping good titles, for example (keep it True if Zilean is enabled)
-CUSTOM_HEADER_HTML=None # only set it if you know what it is
+CUSTOM_HEADER_HTML=None # only set it if you know what it is