Add access and documentation for three password checking functions

Add access and documentation for three password checking functions

Author: lukbrew25

README.md

@@ -503,6 +503,29 @@ import easy_mongodb_auth_handler as emdb
   - **Returns:**
     - `bool`: `True` if the email format is valid, `False` otherwise.
 
+- **emdb.hash_password(password)**
+  - Hashes a password.
+  - **Parameters:**
+    - `password` (`str`): The password to hash.
+  - **Returns:**
+    - `str`: The hashed password.
+
+- **emdb.check_password(user, password)**
+  - Checks a un-hashed password against the hashed password stored in the user document.
+  - **Parameters:**
+    - `user` (`dict`): The user document to authenticate.
+    - `password` (`str`): The un-hashed password to check against the user document.
+  - **Returns:**
+    - `bool`: `True` if the passwords match and `False` otherwise.
+
+- **emdb.verify_password(password, hashed)**
+  - Checks a un-hashed password against the hashed password passed as a parameter.
+  - **Parameters:**
+    - `password` (`dict`): The un-hashed password to check.
+    - `hashed` (`str`): The hashed password to check.
+  - **Returns:**
+    - `bool`: `True` if the passwords match and `False` otherwise.
+
 ## Requirements
 
 - Python >= 3.9

src/easy_mongodb_auth_handler/__init__.py

@@ -7,4 +7,5 @@
 from .utils import Utils
 from .core_db import CoreDB
 from .package_functions.message import get_messages
-from .package_functions.func import generate_secure_code, get_version, validate_email
+from .package_functions.func import (generate_secure_code, get_version, validate_email,
+                                     check_password, hash_password, verify_password)