add make server

Author: kfly8

Makefile

@@ -4,3 +4,5 @@ clean:
 	rm -r public
 test:
 	carton install && carton exec -- prove -Ilib -r t
+server:
+	carton exec -- plackup -p 5555 -MPlack::App::Directory -e 'Plack::App::Directory->new({root => "public"})->to_app'

cpanfile

@@ -9,6 +9,10 @@ requires 'Text::Xatena';
 requires 'Text::Markdown';
 requires 'Pod::Simple::XHTML';
 
+on 'develop' => sub {
+    requires 'Plack';
+};
+
 on 'test' => sub {
     requires 'Test2::V0';
 };