[server] Rename tree module files

server/Main.hs

@@ -4,11 +4,11 @@ module Main where
 
 import qualified Network.WebSockets        as WS
 
-import           Forest.Server
 import           Forest.Node
-import           Forest.TreeModule.ConstModule
-import           Forest.TreeModule.AnimateModule
-import           Forest.TreeModule.ForkModule
+import           Forest.Server
+import           Forest.TreeModule.Animate
+import           Forest.TreeModule.Const
+import           Forest.TreeModule.Fork
 
 pingDelay :: Int
 pingDelay = 10

src/Forest/TreeModule/Animate.hs

@@ -1,6 +1,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 
-module Forest.TreeModule.AnimateModule
+module Forest.TreeModule.Animate
   ( AnimateModule
   , animateModule
   ) where

src/Forest/TreeModule/Const.hs

@@ -1,6 +1,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 
-module Forest.TreeModule.ConstModule
+module Forest.TreeModule.Const
   ( ConstModule
   , constModule
   , projectDescriptionNode

src/Forest/TreeModule/Fork.hs

@@ -2,7 +2,7 @@
 {-# LANGUAGE KindSignatures            #-}
 {-# LANGUAGE RankNTypes                #-}
 
-module Forest.TreeModule.ForkModule
+module Forest.TreeModule.Fork
   ( ForkModule
   , ProngConstructor(..)
   , forkModule