Implement getFileInfo to retrieve meta data

getFileInfo returns a record containing meta data about the given file,
such as permissions, last modification time and time. We'll use this
action to fill a neat status bar.

hcat.cabal

@@ -18,6 +18,7 @@ extra-source-files:
 library
   exposed-modules:
       HCat
+      HCat.FileInfo
       HCat.Internal
   other-modules:
       Paths_hcat
@@ -30,8 +31,10 @@ library
   ghc-options: -Wall -fdefer-typed-holes
   build-depends:
       base >=4.13 && <5
+    , directory
     , process
     , text
+    , time
   default-language: GHC2021
 
 executable hcat
@@ -47,7 +50,9 @@ executable hcat
   ghc-options: -Wall -fdefer-typed-holes
   build-depends:
       base >=4.13 && <5
+    , directory
     , hcat
+    , time
   default-language: GHC2021
 
 test-suite doctest
@@ -66,7 +71,9 @@ test-suite doctest
       doctest:doctest
   build-depends:
       base >=4.13 && <5
+    , directory
     , process
+    , time
   default-language: Haskell2010
 
 test-suite spec
@@ -88,7 +95,9 @@ test-suite spec
   build-depends:
       QuickCheck
     , base >=4.13 && <5
+    , directory
     , hcat
     , hspec
     , quickcheck-instances
+    , time
   default-language: GHC2021