move 'overview' code (getting paragraphs of law text) into lib

src/law/mod.rs

@@ -1,4 +1,5 @@
 use log::{debug, info};
+use risp::risparser::overview::parse;
 use serde::{Deserialize, Serialize};
 use std::{
     cell::RefCell,
@@ -7,7 +8,7 @@ use std::{
     sync::Arc,
 };
 
-use crate::{overview, par};
+use crate::par;
 
 use self::responsible::{
     contains, contains_at_start, contains_without_unter, starts_with_letter, starts_with_number,
@@ -239,7 +240,7 @@ impl LawBuilder {
             history: Vec::new(),
         };
 
-        let paragraphs = overview::parse(law_id.unwrap()).unwrap();
+        let paragraphs = parse(law_id.unwrap()).unwrap();
 
         for paragraph in tqdm::tqdm(paragraphs.into_iter()) {
             let cont = par::parse(&paragraph, &mut builder).unwrap();