Rename dfs module to search

Since it also includes a breath-first search implementation.

src/sorting/groups.rs

@@ -9,7 +9,7 @@ use crate::{
     logging::{self, is_log_enabled},
     metadata::Group,
     sorting::{
-        dfs::find_cycle,
+        search::find_cycle,
         error::{
             BuildGroupsGraphError, CyclicInteractionError, PathfindingError, UndefinedGroupError,
         },
@@ -17,7 +17,7 @@ use crate::{
 };
 
 use super::{
-    dfs::{DfsVisitor, depth_first_search},
+    search::{DfsVisitor, depth_first_search},
     error::GroupsPathError,
 };
 

src/sorting/mod.rs

@@ -1,4 +1,4 @@
-mod dfs;
+mod search;
 pub mod error;
 pub mod groups;
 pub mod plugins;

src/sorting/plugins.rs

@@ -19,7 +19,7 @@ use crate::{
 };
 
 use super::{
-    dfs::{BidirBfsVisitor, DfsVisitor, bidirectional_bfs, depth_first_search, find_cycle},
+    search::{BidirBfsVisitor, DfsVisitor, bidirectional_bfs, depth_first_search, find_cycle},
     groups::GroupsGraph,
     validate::{validate_plugin_groups, validate_specific_and_hardcoded_edges},
 };