refactor: adjust structure

src/utils/io.py

@@ -0,0 +1,8 @@
+import os
+import shutil
+
+
+def recreate_folder(folder_path):
+    if os.path.exists(folder_path) and os.path.isdir(folder_path):
+        shutil.rmtree(folder_path)
+    os.makedirs(folder_path)

src/utils/string.py

@@ -0,0 +1,11 @@
+def find_between(input_string, start, end):
+    try:
+        start_index = input_string.index(start) + len(start)
+        end_index = input_string.index(end, start_index)
+        return input_string[start_index:end_index]
+    except ValueError:
+        raise ValueError(f'Could not find {start} and {end} in {input_string}')
+
+
+def clean_content(content):
+    return content.replace('```', '').strip()