README: update

Author: christianparpart

README.md

@@ -6,7 +6,7 @@ was posted on terminal-wg issue [#26](https://gitlab.freedesktop.org/terminal-wg
 ## Goal of this repository
 
 I want to finally formalize what other people have been already put great work in (see references),
-and ideally also come up with a reference implementation (as technical preview).
+and also come up with a reference implementation (for verifying the spec and as a technical preview).
 
 It would be nice if this repository serves as a communication hub for improving this spec
 that ideally enough terminal emulators will adopt so we could call this the future defacto image protocol
@@ -20,7 +20,9 @@ terminal applications.
 - [x] create CI job for providing prereleases of the draft specification.
 - [ ] Move Changelog into .tex file and let CI's release.yml extract it from there
 - [ ] Create Github pages that have an auto-generated PDF/markdown version of this specification.
-- [ ] hopefully get enough terminal and TUI app devs attracted to collaborate in a positive, friendly, and productive manner.
+- [ ] Hopefully get enough terminal and TUI app devs attracted to collaborate in a positive, friendly, and productive manner.
+- [ ] CLI tool for `cat`ing images onto the screen (a shell script should be sufficient).
+- [ ] CLI tool for testing the feature availability (could be integrated in the above tool with a `--test` flag)
 
 ## FAQ