Copyright for golang-github-emersion-go-smtp source package in Bookworm

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: go-smtp                                                                                                                
Source: https://github.com/emersion/go-smtp                                                                                           
                                                                                                                                      
Files: *                                                                                                                              
Copyright: 2016 Simon Ser                                                                                                             
           2010 The Go Authors                                                                                                        
           2014 Gleez Technologies                                                                                                    
           2016 emersion                                                                                                              
           2016 Proton Technologies AG                                                                                                
License: Expat

Files: debian/*
Copyright: 2020 suman 
License: Expat
Comment: Debian packaging is licensed under the same terms as upstream

License: Expat
 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.