docs: Update README

README.md

@@ -6,7 +6,6 @@ TODO comments in code have a tendency to be just left there yet they also have t
 
 ![image](https://github.com/timonv/todors/assets/49373/226d6307-4dc4-46f1-9806-e3741f728996)
 
-
 ## Installation
 
 Manual:
@@ -18,26 +17,37 @@ Manual:
 Via cargo:
 `cargo install dowhatagain`
 
+## Features
+
+- Output in Markdown and plain text
+- Group by filename
+- Simple display or detailed with filename and line number
+- Way faster than needed using buffered parallel processing
+
 ## Example usage
 
 Get all TODOs in a repository:
-`fd . | dowhatagain`
-
-Output:
 
 ```
-// File: main.rs
-TODO: Do thing
-// File: other.rs
-TODO: Other thing
+$ fd . | dowhatagain
+
+file1.rs:3: Do thing
+file2.rs:4: Other thing
 ```
 
 Get all TODOs for the current changeset and output to markdown:
-`git diff master --name-only | dowhatagain --output markdown`
+`git diff master --name-only | dowhatagain --output markdown --group-by file --detail just-task`
 
 ```markdown
-- [ ] file.rs:3 Do thing
-- [ ] other_file.rs:4 Do other thing
+file.rs
+
+- [ ] Do thing
+- [ ] Do other thing
+
+other_file.rs
+
+- [ ] Do thing
+- [ ] Do other thing
 ```
 
 Great for PR checks, commit hooks and custom workflows.