Add alignment options for title and caption (#110)#111

dusktreader wants to merge 1 commit intoTextualize:mainTextualize/rich-cli:mainfrom

dusktreader:feat/110--add-title-and-caption-alignment-optionsdusktreader/rich-cli:feat/110--add-title-and-caption-alignment-optionsCopy head branch name to clipboard