Add export support

src/scripts/mod.rs

@@ -0,0 +1,12 @@
+pub mod base;
+pub mod circus;
+
+pub use base::{Script, ScriptBuilder};
+
+lazy_static::lazy_static! {
+    pub static ref BUILDER: Vec<Box<dyn ScriptBuilder + Sync + Send>> = vec![
+        Box::new(circus::script::CircusMesScriptBuilder::new()),
+    ];
+    pub static ref ALL_EXTS: Vec<String> =
+        BUILDER.iter().flat_map(|b| b.extensions()).map(|s| s.to_string()).collect();
+}