[DOC] hooks: add missing doc for onWillPatch/onPatched

doc/hooks.md

@@ -10,6 +10,8 @@
   - [`useState`](#usestate)
   - [`onMounted`](#onmounted)
   - [`onWillUnmount`](#onwillunmount)
+  - [`onWillPatch`](#onwillpatch)
+  - [`onPatched`](#onpatched)
   - [`useRef`](#useref)
 
 ## Overview
@@ -169,16 +171,29 @@ class Counter extends owl.Component {
 
 ### `onMounted`
 
-`onMounted` is not an hook, but is a building block designed to help make useful
-hooks. `onMounted` register a callback, which will be called when the component
+`onMounted` is not an user hook, but is a building block designed to help make useful
+abstractions. `onMounted` registers a callback, which will be called when the component
 is mounted (see example on top of this page).
 
 ### `onWillUnmount`
 
-`onWillUnmount` is not an hook, but is a building block designed to help make useful
-hooks. `onWillUnmount` register a callback, which will be called when the component
+`onWillUnmount` is not an user hook, but is a building block designed to help make useful
+abstractions. `onWillUnmount` registers a callback, which will be called when the component
 is unmounted (see example on top of this page).
 
+
+### `onWillPatch`
+
+`onWillPatch` is not an user hook, but is a building block designed to help make useful
+abstractions. `onWillPatch` registers a callback, which will be called just
+before the component patched.
+
+### `onPatched`
+
+`onPatched` is not an user hook, but is a building block designed to help make useful
+abstractions. `onPatched` registers a callback, which will be called just
+after the component patched.
+
 ### `useRef`
 
 The `useRef` hook is useful when we need a way to interact with some inside part

doc/readme.md

@@ -16,6 +16,8 @@ owl
     hooks
         onMounted
         onWillUnmount
+        onWillPatch
+        onPatched
         useState
         useRef
     router