[V3] Data Converter (#1293)

* More docstrings

* still not ready...

* push this untested pile of code.

* working, menu needs cleaning up though, modlog converter not here yet

* menu cleanup

* add note about the fact that values are overwritten

* add i18n

* User friendlier quitting

* Better naming of a function

* setup automodule for dataconverter

* More documentation

* use Config.MEMBER (etc) instead of 'MEMBER' (etc)

docs/cog_dataconverter.rst

@@ -0,0 +1,62 @@
+.. Importing data from a V2 install
+
+================================
+Importing data from a V2 install
+================================
+
+----------------
+What you'll need
+----------------
+
+1. A Running V3 bot
+2. The path where your V2 bot is installed
+
+--------------
+Importing data
+--------------
+
+.. important::
+
+    Unless otherwise specified, the V2 data will take priority over V3 data for the same entires
+
+.. important::
+
+    For the purposes of this guide, your prefix will be denoted as 
+    [p]
+
+    You should swap whatever you made your prefix in for this.
+    All of the below are commands to be entered in discord where the bot can
+    see them.
+
+The dataconverter cog is not loaded by default. To start, load it with
+
+.. code-block:: none
+
+    [p]load dataconverter
+
+Next, you'll need to give it the path where your V2 install is.
+
+On linux and OSX, it may look something like:
+
+.. code-block:: none
+
+    /home/username/Red-DiscordBot/
+
+On Windows it will look something like:
+
+.. code-block:: none
+
+    C:\Users\yourusername\Red-DiscordBot
+
+Once you have that path, give it to the bot with the following command
+(make sure to swap your own path in)
+
+.. code-block:: none
+
+    [p]convertdata /home/username/Red-DiscordBot/
+
+
+From here, if the path is correct, you will be prompted with an interactive menu asking you
+what data you would like to import
+
+You can select an entry by number, or quit with any of 'quit', 'exit', 'q', '-1', or 'cancel'