feat: update readme, add regexp test

__lang/boa/README.md

@@ -1,4 +1,6 @@
+Post:
+- https://boa-dev.github.io/posts/2022-10-24-boa-usage/
 
-https://boa-dev.github.io/posts/2022-10-24-boa-usage/
-
+Need resolved issue:
+- https://github.com/boa-dev/boa/issues/2350
 

__lang/boa/src/main.rs

@@ -3,7 +3,7 @@ use boa_engine::property::Attribute;
 
 fn main() {
     let mut context = Context::default();
-    // context.set_trace(true);
+    context.set_trace(true);
     context.register_global_property("MY_PROJECT_VERSION", "1.0.0", Attribute::all());
     context.register_global_function("print", 0, print);
     let script = r##"
@@ -14,6 +14,7 @@ fn main() {
         helloworld();
         for (var i = 0; i < 10; i++) {}
         // while(true) {}
+        /(a+)+b/.test('a'.repeat(15) + 'c');
         "hello world!!!"
     "##;
     match context.eval(script) {