Remove package dir name

To make the repo installable as editable.

As per sturdy-dev#23

Author: jbkkd

setup.py

@@ -24,7 +24,7 @@
     python_requires='>=3.10,<=3.11',
     url='https://github.com/sturdy-dev/semantic-code-search',
     package_dir={
-        "semantic_code_search": "src/semantic_code_search"
+        "": "src"
     },
     entry_points={
         'console_scripts': [