chore: readme

Author: yyx990803

README.md

@@ -2,7 +2,7 @@
 
 `petite-vue` is an alternative distribution of Vue optimized for progressive enhancement. It provides the same template syntax and reactivity mental model with standard Vue. However, it is specifically optimized for "sprinkling" small amount of interactions on an existing HTML page rendered by a server framework. See more details in [how it differs from standard Vue](#comparison-with-standard-vue).
 
-- Only ~5.8kb
+- Only ~6kb
 - Vue-compatible template syntax
 - DOM-based, mutates in place
 - Driven by `@vue/reactivity`
@@ -296,6 +296,16 @@ const html = ({ el, get, effect }) => {
 }
 ```
 
+### Custom Delimiters (0.3+)
+
+You can use custom delimiters by passing `$delimiters` to your root scope. This is useful when working alongside a server-side templating language that also uses mustaches:
+
+```js
+createApp({
+  $delimiters: ['${', '}']
+}).mount()
+```
+
 ## Examples
 
 Check out the [examples directory](https://github.com/vuejs/petite-vue/tree/main/examples).
@@ -317,7 +327,7 @@ Check out the [examples directory](https://github.com/vuejs/petite-vue/tree/main
 
 ### Vue Compatible
 
-- `{{ }}` text bindings
+- `{{ }}` text bindings (configurable with custom delimiters)
 - `v-bind` (including `:` shorthand and class/style special handling)
 - `v-on` (including `@` shorthand and all modifiers)
 - `v-model` (all input types + non-string `:value` bindings)