Add license header

Author: zhanhb

src/kcptun

@@ -1,5 +1,24 @@
 #!/bin/sh
-# use sh rather than bash in order to work correctly on router device which has no bash installed.
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+# If you have suggestions or find some bug of this script, please create an issue on this page
+# https://github.com/zhanhb/kcptun-sip003-wrapper/issues
 set -e
 
 child_pid=

src/kcptun.cmd

@@ -1,4 +1,24 @@
 @echo off & (
+    rem Permission is hereby granted, free of charge, to any person obtaining a copy
+    rem of this software and associated documentation files (the "Software"), to deal
+    rem in the Software without restriction, including without limitation the rights
+    rem to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    rem copies of the Software, and to permit persons to whom the Software is
+    rem furnished to do so, subject to the following conditions:
+
+    rem The above copyright notice and this permission notice shall be included in all
+    rem copies or substantial portions of the Software.
+
+    rem THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    rem IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    rem FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    rem AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    rem LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    rem OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    rem SOFTWARE.
+
+    rem If you have suggestions or find some bug of this script, please create an issue on this page
+    rem https://github.com/zhanhb/kcptun-sip003-wrapper/issues
     setlocal EnableExtensions EnableDelayedExpansion
 
     rem find binary