add a README with an example - dossier - console collection manager
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 (DIR) README
 (DIR) LICENSE
       ---
 (DIR) commit 9723a29f7264eb641ec2001fae03cfde73bd5127
 (DIR) parent 49ffb5ab258f0f0bbaa29f8c60f6b46386a74bba
 (HTM) Author: Solene Rapenne <solene@perso.pw>
       Date:   Sat, 21 Jul 2018 00:51:30 +0200
       
       add a README with an example
       
       Diffstat:
         A README                              |      34 +++++++++++++++++++++++++++++++
       
       1 file changed, 34 insertions(+), 0 deletions(-)
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 (DIR) diff --git a/README b/README
       @@ -0,0 +1,34 @@
       +How to use cdb
       +==============
       +
       +    $ mkdir -p ~/collections/games
       +    $ cdb collections register ~/collections/games games
       +    $ cdb collections use games
       +    $ cdb collections
       +    games *
       +    $ cdb supertux rate 5 multiplayer yes
       +    $ cdb nexuiz rate 9 mutpliplayer yes
       +    $ cdb minetest rate 10 multiplayer yes
       +    $ cdb opensonic rate 2
       +    $ cdb openmw multiplayer no rate 10 style rpg
       +    $ cdb search multiplayer
       +    supertux:yes
       +    nexuiz:yes
       +    minetest:yes
       +    openmw:no
       +    $ cdb search multiplayer no
       +    openmw
       +    $ cdb search multiplayer yes rate 5
       +    supertux
       +    $ cdb supertux rate 6
       +    $ cdb show
       +    supertux (2)
       +    nexuiz (2)
       +    minetest (2)
       +    openmw (3)
       +    opensonic (1)
       +    $ cdb show openmw
       +    openmw:
       +            multiplayer: no
       +            style: rpg
       +            rate: 10