Add secret management guide, client-side performance monitoring, and search accessibility enhancements

- Introduced a comprehensive Secret Management Guide detailing best practices, secret classification, development setup, production management, rotation procedures, and emergency protocols.
- Implemented a client-side performance monitoring script to track various metrics including page load performance, paint metrics, layout shifts, and memory usage.
- Enhanced search accessibility with keyboard navigation support for search results, ensuring compliance with WCAG standards and improving user experience.

backend/apps/parks/models/companies.py

@@ -13,20 +13,27 @@ class Company(TrackedModel):
 
     objects = CompanyManager()
 
-    name = models.CharField(max_length=255)
-    slug = models.SlugField(max_length=255, unique=True)
+    name = models.CharField(max_length=255, help_text="Company name")
+    slug = models.SlugField(max_length=255, unique=True, help_text="URL-friendly identifier")
     roles = ArrayField(
         RichChoiceField(choice_group="company_roles", domain="parks", max_length=20),
         default=list,
         blank=True,
+        help_text="Company roles (operator, manufacturer, etc.)",
     )
-    description = models.TextField(blank=True)
-    website = models.URLField(blank=True)
+    description = models.TextField(blank=True, help_text="Detailed company description")
+    website = models.URLField(blank=True, help_text="Company website URL")
 
     # Operator-specific fields
-    founded_year = models.PositiveIntegerField(blank=True, null=True)
-    parks_count = models.IntegerField(default=0)
-    rides_count = models.IntegerField(default=0)
+    founded_year = models.PositiveIntegerField(
+        blank=True, null=True, help_text="Year the company was founded"
+    )
+    parks_count = models.IntegerField(
+        default=0, help_text="Number of parks operated (auto-calculated)"
+    )
+    rides_count = models.IntegerField(
+        default=0, help_text="Number of rides manufactured (auto-calculated)"
+    )
 
     def save(self, *args, **kwargs):
         if not self.slug:
@@ -38,8 +45,9 @@ class Company(TrackedModel):
 
     class Meta(TrackedModel.Meta):
         app_label = "parks"
-        ordering = ["name"]
+        verbose_name = "Company"
         verbose_name_plural = "Companies"
+        ordering = ["name"]
 
 
 @pghistory.track()
@@ -51,7 +59,10 @@ class CompanyHeadquarters(models.Model):
 
     # Relationships
     company = models.OneToOneField(
-        "Company", on_delete=models.CASCADE, related_name="headquarters"
+        "Company",
+        on_delete=models.CASCADE,
+        related_name="headquarters",
+        help_text="Company this headquarters belongs to",
     )
 
     # Address Fields (No coordinates needed)