124 - add .editorconfig file and document its usage

Author: freeman42x

.editorconfig

@@ -0,0 +1,11 @@
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = false
+
+[*.hs]
+indent_style = space
+indent_size = 2

src/Main.hs

@@ -189,4 +189,4 @@ installAtomPackage package = do
   case exitCode of
       ExitSuccess   -> return ()
       ExitFailure n -> die ("apm install failed with exit code: " <> repr n)
-  putStrLnGreen $ "Finished installing " <> package
+  putStrLnGreen $ "Finished installing " <> package