Enhance Dev Experience and Code Quality (#41)

* Format codebase to satisfy linters

* fixing pylance and ruff-checked files

* contributing md, and type and formatting fixes

* setup file capitalization

* test fix

tools/hr/book_pto.py

@@ -1,11 +1,10 @@
 def book_pto(args: dict) -> dict:
-    
     email = args.get("email")
     start_date = args.get("start_date")
     end_date = args.get("end_date")
 
-    print(f"[BookPTO] Totally would send an email confirmation of PTO from {start_date} to {end_date} to {email} here!")
+    print(
+        f"[BookPTO] Totally would send an email confirmation of PTO from {start_date} to {end_date} to {email} here!"
+    )
 
-    return {
-        "status": "success"
-    }
+    return {"status": "success"}