chore: restructured project, updated readme

src/parsers/__init__.py

@@ -0,0 +1,13 @@
+__all__ = [
+    "csv_to_list",
+    "pdf_to_csv",
+    "word_to_semap",
+    "eml_parser",
+    "eml_to_semap",
+]
+
+
+from .csv_parser import csv_to_list
+from .pdf_parser import pdf_to_csv
+from .word_parser import word_to_semap
+from .xml_parser import eml_parser, eml_to_semap