Add #[schemars(inner(...)] attribute to specify schema for array items (#234)

docs/1.1-attributes.md

@@ -276,6 +276,20 @@ Set the Rust built-in [`deprecated`](https://doc.rust-lang.org/edition-guide/rus
 
 Set the path to the schemars crate instance the generated code should depend on. This is mostly useful for other crates that depend on schemars in their macros.
 
+<h3 id="inner">
+
+`#[schemars(inner(...))]`
+</h3>
+
+Sets properties specified by [validator attributes](#supported-validator-attributes) on items of an array schema. For example:
+
+```rs
+struct Struct {
+    #[schemars(inner(url, regex(pattern = "^https://")))]
+    urls: Vec<String>,
+}
+```
+
 <h3 id="doc">
 
 Doc Comments (`#[doc = "..."]`)