manager: convert bitmap image to vector by hand. document: add copyright infomation. (#121)

docs/README-en.md

@@ -113,7 +113,10 @@ Please **all** refer to https://kernelsu.org/zh_CN/guide/installation.html
 ## License
 
 - The file in the “kernel” directory is under [GPL-2.0-only](https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html) license.
-- All other parts except the “kernel” directory are under [GPL-3.0 or later](https://www.gnu.org/licenses/gpl-3.0.html) license.
+
+- The images of the files `ic_launcher*` with anime character emoticons are copyrighted by [五十根大虾仁](https://space.bilibili.com/370927), the Brand Intellectual Property in the images is owned by [明风OuO](https://space.bilibili.com/274939213), and the vectorization is done by @MiRinChan. Before using these files, in addition to complying with [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.txt), you also need to comply with the authorization of the two authors to use these artistic contents.
+
+- Except for the files or directories mentioned above, all other parts are under [GPL-3.0 or later](https://www.gnu.org/licenses/gpl-3.0.html) license.
 
 ## Sponsorship list
 
@@ -135,4 +138,4 @@ If the above list does not have your name, I will update it as soon as possible,
 - [Magisk](https://github.com/topjohnwu/Magisk): Powerful root utility
 - [genuine](https://github.com/brevent/genuine/): APK v2 Signature Verification
 - [Diamorphine](https://github.com/m0nad/Diamorphine): Some rootkit utilities.
-- [KernelPatch](https://github.com/bmax121/KernelPatch): KernelPatch is a key part of the APatch implementation of the kernel module
+- [KernelPatch](https://github.com/bmax121/KernelPatch): KernelPatch is a key part of the APatch implementation of the kernel module