chore: update config example

Author: shockpast

config.toml.example

@@ -1,17 +1,28 @@
 [user]
-# available: catboy, nerinyan, okayu
+# tip: run "ecstasy.exe -s" to measure download speeds from all available mirrors
+# available: catboy, osudirect, nerinyan, beatconnect
 mirror_type = "catboy"
+
 # format in which collection name will be formatted
-# available templates: 
-#  {collection_id}, {collection_author}, {collection_title}
+# available templates: {collection_id}, {collection_author}, {collection_title}
 collection_name_format = "{collection_author} - {collection_title}"
 
+# how much downloads will be running in background (parallelism)
+# it's recommended to run a speedtest, and then depending on speed set a fair amount of concurrency
+# e.g. 100Mb internet with ~30-40Mb from osu.direct should have 3..4 concurrent downloads, otherwise
+#      some downloads will have very low speed
+concurrent_downloads = 4
+
 [collector]
 # https://osucollector.com/collections/<COLLECTION_ID>/<COLLECTION_NAME>
 id = 0
 
 [osu]
 # e.g. C:\\Users\\admin\\AppData\\Local\\osu!\\Songs
 songs_path = ""
+
 # it should be an absolute path, e.g. C:\\Users\\admin\\AppData\\Local\\osu!\\collection.db
-collection_path = ""
+collection_path = ""
+
+# required to download only new maps, and don't do already owned
+osu_path = ""