doc: Add commits and authors to release notes for rc1
doc: Add commits and authors to release notes for rc1

Tree-SHA512: e6779d21616eec04168b5726d1fe8a1b8356c3de7f5bad30a94848a0db7c0f84fcc0d6f965424b4f7a2a9a8daba1a11fc53b148b918230b39d8095fa215be6f4

chaincoin/chaincoin,chaincoin/chaincoin,chaincoin/chaincoin,chaincoin/chaincoin,chaincoin/chaincoin,chaincoin/chaincoin