feat(xatu): report deprecated toPath calls

src/xatu/file_store.rs

@@ -1,14 +1,5 @@
 use std::path::PathBuf;
 
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct FileId(usize);
-
-#[derive(Debug)]
-pub struct SourceFile {
-    pub path: PathBuf,
-    pub source: String,
-}
-
 #[derive(Debug, Default)]
 pub struct FileStore {
     files: Vec<SourceFile>,
@@ -31,3 +22,12 @@ impl From<Vec<SourceFile>> for FileStore {
         Self { files }
     }
 }
+
+#[derive(Debug)]
+pub struct SourceFile {
+    pub path: PathBuf,
+    pub source: String,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub struct FileId(usize);