FIX: include the missing .css file

Rakefile

@@ -1,6 +1,6 @@
 README = "readme.txt"
 PHP = "prg-bib.php"
-SRC = [PHP, "resize-iframe.js", README]
+SRC = [PHP, "resize-iframe.js", README, "prg-bib.css"]
 GIT_TAG = `git describe --tag --exact-match`.chomp
 README_TAG = /^Stable tag: *(.*) *$/.match(open(README).read)[1]
 PHP_TAG = /\/*.*Version: *([^ ]*) *$/m.match(open(PHP).read)[1]

prg-bib.php

@@ -3,7 +3,7 @@
  * Plugin Name:       PRG Bibliography Shortcode
  * Plugin URI:        https://github.com/prg-titech/bib-shortcode/
  * Description:       Shortcode to embed publication lists.
- * Version:           0.1.9-alpha
+ * Version:           0.1.10-alpha
  * Requires at least: 5.2
  * Requires PHP:      7.2
  * Author:            Hidehiko Masuhara

readme.txt

@@ -3,7 +3,7 @@ Contributors: masuhara
 Tags: bibtex, bibliography, citation
 Requires at least: 5.2
 Tested up to: 6.6.1
-Stable tag: v0.1.9-alpha
+Stable tag: v0.1.10-alpha
 Requires PHP: 7.2
 License: GPL v2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
@@ -43,6 +43,9 @@ Parameters:
 
 == Changelog ==
 
+- v0.1.10-alpha
+  FIX: include the missing .css file
+
 - v0.1.9-alpha
   FIX: missing semicolon