Added functionality to suggest similar lines when a search block fails to match in EditBlockCoder.

aider/coders/editblock_coder.py

@@ -53,6 +53,12 @@ class EditBlockCoder(Coder):
         res = f"# {len(failed)} SEARCH/REPLACE {blocks} failed to match!\n"
         for edit in failed:
             path, original, updated = edit
+
+            full_path = self.abs_root_path(path)
+            content = self.io.read_text(full_path)
+
+            did_you_mean = find_similar_lines(original, content)
+
             res += f"""
 ## SearchReplaceNoExactMatch: This SEARCH block failed to exactly match lines in {path}
 <<<<<<< SEARCH