Add a legal notice (closes #23)

Signed-off-by: Odyssey <odyssey346@disroot.org>

README.md

@@ -33,3 +33,10 @@ go build -o gothub
 ```
 
 If you don't want to use port 3000 for GotHub, set the GOTHUB_PORT environment variable to the port you want to use.
+
+
+## DMCA/Legal notice
+
+All content shown on a GotHub instance is from GitHub. Any issues with content shown on a GotHub instance needs to be reported to GitHub, not the instance host's internet or domain provider.
+
+GitHub is a registered trademark of GitHub, Inc. GotHub is not affiliated with GitHub, Inc.