add link_mod_file to linker

src/linker.rs

@@ -4,7 +4,7 @@ use std::{
     path::{Path, PathBuf},
 };
 
-use crate::fomod::FileTypeEnum;
+use crate::{Mod, ModFile, fomod::FileTypeEnum};
 
 pub struct Linker {
     target: PathBuf,
@@ -49,6 +49,12 @@ impl Linker {
         Ok(())
     }
 
+    pub fn link_mod_file(&self, file: &ModFile, from_mod: &Mod) -> Result<(), LinkerError> {
+        let src = from_mod.source.join(&file.source);
+
+        self.link_file(&src, &file.dest)
+    }
+
     pub fn link_plugin_files(
         &self,
         entries: &[FileTypeEnum],