feat(README): add a ToC

README.md

@@ -1,12 +1,15 @@
 # smartcat (sc) 🐈‍⬛
 
-Puts a brain behind cat!
+Puts a brain behind `cat`! WIP cli interface to bring language models in the Unix ecosystem 🐈‍⬛
 
-WIP cli interface to language models to bring them in the Unix ecosystem
-
-```
-Putting a brain behind `cat`. WIP cli interface to bring language models in the Unix ecosystem 🐈‍⬛
+- [Installation](#installation)
+- [A few examples to get started](#a-few-examples-to-get-started)
+- [Manipulate file and text streams](#manipulate-file-and-text-streams)
+- [Integrating with editors](#integrating-with-editors)
+- [Configuration](#configuration)
+- [Developping](#developping)
 
+```text
 Usage: sc [OPTIONS] [PROMPT]
 
 Arguments:
@@ -125,12 +128,12 @@ Frameworks and libraries, like stations, stand so proud
 And programmers, conductors, who make the engines loud.
 ```
 
-## Integrating with editors
+### Integrating with editors
 
 The key for a good integration in editors is a good default prompt (or set of) combined with the `-c` flag for precising the task at hand.
 The `-r` flag can be used to decide whether to replace or extend the selection.
 
-### Vim
+#### Vim
 
 Start by selecting some text, then press `:`. You can then pipe the selection content to `smartcat`.
 
@@ -158,7 +161,7 @@ will **append** at the end of the current selection the result of the language m
 
 With some remapping you may have your most reccurrent action attached to few keystrokes e.g. `<leader>wt`!
 
-### Helix
+#### Helix
 
 Same concept, different shortcut, simply press the pipe key to redirect the selection to `smarcat`.