actually use filename from config

src/law/mod.rs

@@ -166,15 +166,15 @@ impl PartialEq for LawBuilder {
 
 impl Default for LawBuilder {
     fn default() -> Self {
-        Self::new()
+        Self::new("".into())
     }
 }
 
 impl LawBuilder {
     /// Creates a new law builder. Adds classifier for known law texts.
-    pub fn new() -> Self {
+    pub fn new(name: String) -> Self {
         Self {
-            name: "".into(),
+            name,
             classifiers: Vec::new(),
             header: Vec::new(),
             next_para_header: None,