feat: add defaut FZF options when none defined

src/cli.cr

@@ -96,6 +96,7 @@ module GX
       when Config::Mode::ShowVersion
         STDOUT.puts "#{PROGRAM_NAME} #{VERSION}"
       when Config::Mode::Mount
+        @config.load_from_env
         @config.load_from_file
         filesystem = choose_filesystem
         raise Models::InvalidFilesystemError.new("Invalid filesystem") if filesystem.nil?

src/config.cr

@@ -73,6 +73,13 @@ module GX
       raise MissingFileError.new("Configuration file not found")
     end
 
+    def load_from_env()
+      if !ENV["FZF_DEFAULT_OPTS"]? 
+        # force defaults settings if none defined
+        ENV["FZF_DEFAULT_OPTS"] = "--height 40% --layout=reverse --border"
+      end
+    end
+
     def load_from_file
       config_path = @path
       if config_path.nil?