update the license files to make go do happy

Author: MichaelMure

LICENSE

@@ -1,6 +1,35 @@
+The contents of this repository are Copyright (c) corresponding authors and
+contributors, licensed under the `Permissive License Stack` meaning either of:
+
+- Apache-2.0 Software License: https://www.apache.org/licenses/LICENSE-2.0
+  ([...4tr2kfsq](https://dweb.link/ipfs/bafkreiankqxazcae4onkp436wag2lj3ccso4nawxqkkfckd6cg4tr2kfsq))
+
+- MIT Software License: https://opensource.org/licenses/MIT
+  ([...vljevcba](https://dweb.link/ipfs/bafkreiepofszg4gfe2gzuhojmksgemsub2h4uy2gewdnr35kswvljevcba))
+
+You may not use the contents of this repository except in compliance
+with one of the listed Licenses. For an extended clarification of the
+intent behind the choice of Licensing please refer to
+https://protocol.ai/blog/announcing-the-permissive-license-stack/
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the terms listed in this notice is distributed on
+an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+either express or implied. See each License for the specific language
+governing permissions and limitations under that License.
+
+<!--- SPDX-License-Identifier: Apache-2.0 OR MIT -->
+
+`SPDX-License-Identifier: Apache-2.0 OR MIT`
+
+Verbatim copies of both licenses are included below:
+
+<details><summary>Apache-2.0 Software License</summary>
+
+```
                                  Apache License
                            Version 2.0, January 2004
-                        http://www.apache.org/licenses/
+                        https://www.apache.org/licenses/
 
    TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
 
@@ -174,28 +203,30 @@
       of your accepting any such warranty or additional liability.
 
    END OF TERMS AND CONDITIONS
+```
 
-   APPENDIX: How to apply the Apache License to your work.
+</details>
 
-      To apply the Apache License to your work, attach the following
-      boilerplate notice, with the fields enclosed by brackets "[]"
-      replaced with your own identifying information. (Don't include
-      the brackets!)  The text should be enclosed in the appropriate
-      comment syntax for the file format. We also recommend that a
-      file or class name and description of purpose be included on the
-      same "printed page" as the copyright notice for easier
-      identification within third-party archives.
+<details><summary>MIT Software License</summary>
 
-   Copyright 2025 UCAN Working Group - All right reserved
+```
+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:
 
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
 
-       http://www.apache.org/licenses/LICENSE-2.0
+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.
+```
 
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
+</details>