Add more info to README

schemars/examples/main.rs

@@ -0,0 +1,19 @@
+use schemars::{schema_for, JsonSchema};
+
+#[derive(JsonSchema)]
+pub struct MyStruct {
+    pub my_int: i32,
+    pub my_bool: bool,
+    pub my_nullable_enum: Option<MyEnum>,
+}
+
+#[derive(JsonSchema)]
+pub enum MyEnum {
+    Unit,
+    StringNewType(String)
+}
+
+fn main() {
+    let schema = schema_for!(MyStruct);
+    println!("{}", serde_json::to_string_pretty(&schema).unwrap());
+}