Add worklog form fields and enhance templates for better data handling

- Introduced worklog form fields for start and end timestamps, contact, work item, completion status, follow-up, analysis, and notes.
- Updated worklog.html to include a save button and improved layout.
- Enhanced datalist.js for dynamic data binding between input fields and datalists.
- Refactored inventory.html and user.html for consistency and readability.
- Added form.html template for future use.

templates/form.html

@@ -0,0 +1,10 @@
+<!-- templates/worklog.html -->
+{% extends "layout.html" %}
+
+{% import "_table_fragment.html" as tables %}
+
+{% block title %}{{ title }}{% endblock %}
+
+{% block content %}
+
+{% endblock %}