Add support to import comu message to scn scripts

src/scripts/kirikiri/mod.rs

@@ -1 +1,9 @@
 pub mod scn;
+use std::collections::HashMap;
+use std::sync::Arc;
+
+pub fn read_kirikiri_comu_json(path: &str) -> anyhow::Result<Arc<HashMap<String, String>>> {
+    let mut reader = std::fs::File::open(path)?;
+    let data = serde_json::from_reader(&mut reader)?;
+    Ok(Arc::new(data))
+}