[skip-ci] updated docs

config.yml.sample

@@ -1,14 +1,23 @@
 service:
-  JWTSecret: "blablaGEHEMIN§)!§"
+  # This token is used to verify issued JWT tokens.
+  # Default is a random token which will be generated at each startup of vikunja.
+  # (This means all already issued tokens will be invalid once you restart vikunja)
+  JWTSecret: "cei6gaezoosah2bao3ieZohkae5aicah"
   # The interface on which to run the webserver
-  interface: ":8080"
+  interface: ":3456"
 
 database:
+  # Database type to use. Supported types are mysql and sqlite.
   type: "sqlite"
-  user: "root"
-  password: "supersecret"
-  host: "127.0.0.1"
+  # Database user which is used to connect to the database.
+  user: "vikunja"
+  # Databse password
+  password: ""
+  # Databse host
+  host: "localhost"
+  # Databse to use
   database: "vikunja"
-  showqueries: "true"
   # When using sqlite, this is the path where to store the data
   Path: "./vikunja.db"
+  # Whether to show mysql queries or not. Useful for debugging.
+  showqueries: "false"