Updated readme

.gitignore

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 /target
+.DS_Store

README.md

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-# Gmail DB
+# Postsack
 
-## Fast
+## Provides a high level visual overview of swaths of email
+
+### Performance
 
 It currently parses 632383 emails in ~160 seconds, so roughly `4.000` emails per second. This excludes (for now) attachments.
 Update: It currently parses 632115 emails in ~56 seconds, so roughly `11.000` emails per second. This excludes (for now) attachments.
 
 ## Open Issues
-- [ ] make the rectangles look nicer
-- [ ] improve the egui UI
+
+- [ ] rename repository to postsack
+- [ ] add support for message filters (read etc), the UI is already there, the filters are not applied yet
+- [ ] add a limited amount of tests..
 - [ ] generate deletion rules based on stack?
-- [ ] try the segment range slider with two sides
-- [ ] support mbox
-- [ ] support apple mail
-- [ ] try `iced` or `druid` as well
+- [ ] mbox is multiple files, e.g. inbox.mbox, sent.mbox. support this
+- [x] support mbox
+- [x] support apple mail
+- [x] try `iced` or `druid` as well
+- [ ] try re-opening a database...
+- [ ] save config into sqlite
+- [ ] store last opened sqlite file
+- [ ] check if we get any values for the to_sender to_domain fields etc
+
+## Future Options
+
+- [ ] Add additional UI based on Druid, Iced or Native Cocoa
 - [ ] maybe add blocking versions of the calls, too (in model)
-- [ ] abstract over `Fields` and backend
+- [ ] abstract over `Fields` and backend to have a generic way to display groupable information
+- [ ] apply the window changes (no status etc) on startup, not just when loading main
+- [ ] split up into multiple crates
+- [ ] action when clicking an email?
+- [ ] allow diving into splits/segments until there're no gropu bys anymore, but the last split can be opened full (to see the mails)
+- [ ] remove unneeded dependencies and features
 
-- [ ] open database support
-- [ ] add the read, send, filtres
-- [ ] mbox is multiple files
-- [ ] rename
-- [ ] store last opened sqlite file
-- [ ] save config into sqlite
-- [ ] split up into multiple crates
+## Development
+
+Generate a macOS bundle via [Cargo Bundle](https://github.com/burtonageo/cargo-bundle):
+
+``` sh
+cargo bundle --bin gui
+```