Initial commit: Tablet lending system with user-tablet many-to-many relationship

- Database schema: tablets, users, loans (junction table)
- CLI app: minimal_app.py
- Web apps: app.py (Flask), simple_app.py (http.server)
- Features: loan management, search, user loans view, project notes
- Git structure: CONTRIBUTING.md, .gitignore

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

templates/add_user.html

@@ -0,0 +1,30 @@
+{% extends "base.html" %}
+
+{% block content %}
+    <h2>Add New User</h2>
+    <form method="POST" action="/add_user">
+        <div class="form-group">
+            <label for="name">Name:</label>
+            <input type="text" id="name" name="name" required>
+        </div>
+
+        <div class="form-group">
+            <label for="email">Email:</label>
+            <input type="email" id="email" name="email">
+        </div>
+
+        <div class="form-group">
+            <label for="phone">Phone:</label>
+            <input type="text" id="phone" name="phone">
+        </div>
+
+        <div class="form-group">
+            <label for="identification">Identification:</label>
+            <input type="text" id="identification" name="identification" required>
+        </div>
+
+        <div class="form-group">
+            <button type="submit" class="btn">Add User</button>
+        </div>
+    </form>
+{% endblock %}