[dev] updated LICENSE and README files.

Author: winshining

.github/ISSUE_TEMPLATE.md

@@ -1,11 +1,11 @@
 When you meet a bug, please open the issue including a title prefixed by '[bug]' and describe it as follows:
-当你碰到一个bug，请在提出问题时以'[bug]'为前缀写明标题，并且像下面的内容一样描述它:
+当你碰到一个 bug，请在提出问题时以 '[bug]' 为前缀写明标题，并且像下面的内容一样描述它:
 
 ### Expected behavior / 期望行为
 
 ### Actual behavior / 实际行为
 
-### OS and Nginx version / 操作系统和Nginx版本号
+### OS and Nginx version / 操作系统和 Nginx 版本号
 
 ### Configuration file / 配置文件
 

LICENSE

@@ -1,7 +1,7 @@
 BSD 2-Clause License
 
 Copyright (c) 2012-2017, Roman Arutyunyan
-Copyright (c) 2017-2020, Winshining
+Copyright (c) 2017-2021, Winshining
 Copyright (c) 2018-2019, plainheart, HeyJupiter
 Copyright (c) 2018, han4235, Vladimir Vainer
 Copyright (c) 2019, ever4Keny

README.CN.md

@@ -42,15 +42,17 @@
 
 ## 支持的系统
 
-* Linux（推荐）/FreeBSD/MacOS/Windows（受限）。
+* Linux（推荐）/ FreeBSD / MacOS / Windows（受限）。
 
 ## 支持的播放器
 
-* [VLC](http://www.videolan.org) (RTMP & HTTP-FLV)/[OBS](https://obsproject.com) (RTMP & HTTP-FLV)/[JW Player](https://www.jwplayer.com) (RTMP)/[flv.js](https://github.com/Bilibili/flv.js) (HTTP-FLV).
+* [VLC](http://www.videolan.org) (RTMP & HTTP-FLV) / [OBS](https://obsproject.com) (RTMP & HTTP-FLV) / [JW Player](https://www.jwplayer.com) (RTMP) / [flv.js](https://github.com/Bilibili/flv.js) (HTTP-FLV).
 
 ### 注意
 
-[flv.js](https://github.com/Bilibili/flv.js) 只能运行在支持 [Media Source Extensions](https://www.w3.org/TR/media-source) 的浏览器上。
+* Adobe 将在 2020 年 12 月 31 日之后停止对 [flash 播放器](https://www.adobe.com/products/flashplayer.html) 的官方支持，详情见 [Adobe Flash Player EOL General Information Page](https://www.adobe.com/products/flashplayer/end-of-life.html)。主流浏览器随后将移除 flash 播放器，使用 flash 播放器的插件将不再可用。
+
+* [flv.js](https://github.com/Bilibili/flv.js) 只能运行在支持 [Media Source Extensions](https://www.w3.org/TR/media-source) 的浏览器上。
 
 ## 依赖
 

README.md

@@ -26,7 +26,7 @@ Donate if you like this module. Many thanks to you!
 
 |         Features        | nginx-http-flv-module | nginx-rtmp-module |                     Remarks                     |
 | :---------------------: | :-------------------: | :---------------: | :---------------------------------------------: |
-|   HTTP-FLV (subscribe)  |           √           |         x         |     HTTPS-FLV and chunked response supported    | 
+|   HTTP-FLV (for play)   |           √           |         x         |     HTTPS-FLV and chunked response supported    | 
 |        GOP cache        |           √           |         x         |                                                 |
 |          VHOST          |           √           |         x         |                                                 |
 | Omit `listen` directive |           √           |    See remarks    |  There MUST be at least one `listen` directive  |
@@ -42,15 +42,17 @@ The [NGINX](http://nginx.org) version **SHOULD** be equal to or greater than 1.2
 
 ## Systems supported
 
-* Linux (recommended)/FreeBSD/MacOS/Windows (limited).
+* Linux (recommended) / FreeBSD / MacOS / Windows (limited).
 
 ## Players supported
 
-* [VLC](http://www.videolan.org) (RTMP & HTTP-FLV)/[OBS](https://obsproject.com) (RTMP & HTTP-FLV)/[JW Player](https://www.jwplayer.com) (RTMP)/[flv.js](https://github.com/Bilibili/flv.js) (HTTP-FLV).
+* [VLC](http://www.videolan.org) (RTMP & HTTP-FLV) / [OBS](https://obsproject.com) (RTMP & HTTP-FLV) / [JW Player](https://www.jwplayer.com) (RTMP) / [flv.js](https://github.com/Bilibili/flv.js) (HTTP-FLV).
 
 ### Note
 
-[flv.js](https://github.com/Bilibili/flv.js) can only run with browsers that support [Media Source Extensions](https://www.w3.org/TR/media-source).
+* [Flash player](https://www.adobe.com/products/flashplayer.html) will be no longer supported officially by Adobe after December 31, 2020, refer to [Adobe Flash Player EOL General Information Page](https://www.adobe.com/products/flashplayer/end-of-life.html) for details. Plugins that use flash player won't work after the major browsers subsequently remove flash player.
+
+* [flv.js](https://github.com/Bilibili/flv.js) can only run with browsers that support [Media Source Extensions](https://www.w3.org/TR/media-source).
 
 ## Prerequisites