Store preferences in cookies, add config defaults

nitter.conf

@@ -11,5 +11,14 @@ directory = "./tmp"
 profileMinutes = 10  # how long to cache profiles
 
 [Config]
-defaultTheme = "Nitter"
 hmacKey = "secretkey" # for signing video urls
+
+# Change default preferences here, see src/prefs_impl.nim for a complete list
+[Preferences]
+theme = "Nitter"
+replaceTwitter = "nitter.net"
+replaceYouTube = "invidio.us"
+replaceInstagram = ""
+proxyVideos = true
+hlsPlayback = false
+infiniteScroll = false