README update with Gitter and ToDo list.

README.md

@@ -1,3 +1,5 @@
+[![Join the chat at https://gitter.im/fastpastebin/Lobby](https://badges.gitter.im/fastpastebin/Lobby.svg)](https://gitter.im/fastpastebin/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+
 # Fast Pastebin
 
 Easy-to-use-and-install pastebin software written in Go.
@@ -19,4 +21,18 @@ which contains all supported options and their descriptions.
 
 Configuration file position is irrelevant, there is no hardcoded paths where
 Fast Paste Bin looking for it's configuration. Use ``-config`` CLI parameter
-or ``FASTPASTEBIN_CONFIG`` environment variable to specify path.
+or ``FASTPASTEBIN_CONFIG`` environment variable to specify path.
+
+# ToDo
+
+This is a ToDo list which isn't sorted by any parameter at all. Just a list
+of tasks you can help with.
+
+* Pastes expiration. It saves time to database but isn't blocking access.
+* User CP.
+* Files uploading.
+* Passwords for pastes and files.
+* Code highlight.
+* Pastes forking and revisioning (like git or github gists).
+* Possibility to copy-paste-edit WISYWIG content.
+* CLI client for pastes and files uploading.