Rename a bunch of sprites to use identifiers. Helps #365

- pokémon body shapes
- the unknown (???) type
- poké- items (poké ball, poké toy, pokéblock case, etc.)

diff --git a/items/gen3/poké-doll.png b/items/gen3/poke-doll.png
similarity index 100%
rename from items/gen3/poké-doll.png
rename to items/gen3/poke-doll.png

diff --git a/items/poké-ball.png b/items/poke-ball.png
similarity index 100%
rename from items/poké-ball.png
rename to items/poke-ball.png

diff --git a/items/poké-doll.png b/items/poke-doll.png
similarity index 100%
rename from items/poké-doll.png
rename to items/poke-doll.png

diff --git a/items/poké-flute.png b/items/poke-flute.png
similarity index 100%
rename from items/poké-flute.png
rename to items/poke-flute.png

diff --git a/items/poké-radar.png b/items/poke-radar.png
similarity index 100%
rename from items/poké-radar.png
rename to items/poke-radar.png

diff --git a/items/poké-toy.png b/items/poke-toy.png
similarity index 100%
rename from items/poké-toy.png
rename to items/poke-toy.png

diff --git a/items/pokéblock-case.png b/items/pokeblock-case.png
similarity index 100%
rename from items/pokéblock-case.png
rename to items/pokeblock-case.png

diff --git a/shapes/14.png b/shapes/armor.png
similarity index 100%
rename from shapes/14.png
rename to shapes/armor.png

diff --git a/shapes/4.png b/shapes/arms.png
similarity index 100%
rename from shapes/4.png
rename to shapes/arms.png

diff --git a/shapes/1.png b/shapes/ball.png
similarity index 100%
rename from shapes/1.png
rename to shapes/ball.png

diff --git a/shapes/5.png b/shapes/blob.png
similarity index 100%
rename from shapes/5.png
rename to shapes/blob.png

diff --git a/shapes/13.png b/shapes/bug-wings.png
similarity index 100%
rename from shapes/13.png
rename to shapes/bug-wings.png

diff --git a/shapes/3.png b/shapes/fish.png
similarity index 100%
rename from shapes/3.png
rename to shapes/fish.png

diff --git a/shapes/11.png b/shapes/heads.png
similarity index 100%
rename from shapes/11.png
rename to shapes/heads.png

diff --git a/shapes/12.png b/shapes/humanoid.png
similarity index 100%
rename from shapes/12.png
rename to shapes/humanoid.png

diff --git a/shapes/7.png b/shapes/legs.png
similarity index 100%
rename from shapes/7.png
rename to shapes/legs.png

diff --git a/shapes/8.png b/shapes/quadruped.png
similarity index 100%
rename from shapes/8.png
rename to shapes/quadruped.png

diff --git a/shapes/2.png b/shapes/squiggle.png
similarity index 100%
rename from shapes/2.png
rename to shapes/squiggle.png

diff --git a/shapes/10.png b/shapes/tentacles.png
similarity index 100%
rename from shapes/10.png
rename to shapes/tentacles.png

diff --git a/shapes/6.png b/shapes/upright.png
similarity index 100%
rename from shapes/6.png
rename to shapes/upright.png

diff --git a/shapes/9.png b/shapes/wings.png
similarity index 100%
rename from shapes/9.png
rename to shapes/wings.png

diff --git a/types/en/???.png b/types/en/unknown.png
similarity index 100%
rename from types/en/???.png
rename to types/en/unknown.png