docs: add pipeline diagram to README for better understanding of comic processing workflow

Update readme.md

Update readme.md

Add issue and series naming requirement to readme

fix: improve output handling in interruptible wait function

docs: update README with new features and installation instructions

fix: refine extra files identification in comic processing

feat: implement progress bar for RAR to CBZ conversion process

feat: integrate rich progress bar for comic processing and add rich dependency

fix: enhance issue number normalization in comic identification process

fix: improve comic issue number handling in identification and organization functions

feat: add cover image download functionality to series metadata writing

fix: refine overwrite handling in comic identification and series selection functions

fix: add overwrite option to volume loading and comic identification functions

feat: add overwrite option for ComicInfo.xml handling in comic archives