javascript: add new plugin to run javascript scripts in WeeChat

This plugin was originally written by Koka El Kiwi
(repository: https://github.com/KokaKiwi/weechat-js-plugin).

This plugin uses Google V8 engine to execute JS scripts.

src/plugins/javascript/weechat-js-api.h

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2013 Koka El Kiwi <admin@kokabsolu.com>
+ * Copyright (C) 2015 Sébastien Helleu <flashcode@flashtux.org>
+ *
+ * This file is part of WeeChat, the extensible chat client.
+ *
+ * WeeChat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * WeeChat is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with WeeChat.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef WEECHAT_JS_API_H
+#define WEECHAT_JS_API_H 1
+
+extern int weechat_js_api_buffer_input_data_cb (void *data,
+                                                struct t_gui_buffer *buffer,
+                                                const char *input_data);
+extern int weechat_js_api_buffer_close_cb (void *data,
+                                           struct t_gui_buffer *buffer);
+
+#endif /* WEECHAT_JS_API_H */