docs: add dynatrace and opentelemetry to observability section

Author: katemacfarlane

docs/integrations/index.mdx

@@ -38,6 +38,23 @@ DevCycle APIs, as well as third party integrations to connect DevCycle to the to
 
 <CustomDocCardList
   items={[
+    {
+      type: 'link',
+      href: '/integrations/dynatrace',
+      label: 'Dynatrace',
+      description:
+        'Monitor and analyze your feature flags with Dynatrace observability platform.',
+      icon: '',
+      customIconPath: '/integrations/dynatrace/dynatrace-icon.svg',
+    },
+    {
+      type: 'link',
+      href: '/integrations/opentelemetry',
+      label: 'OpenTelemetry',
+      description: 'Monitor and analyze your feature flags with OpenTelemetry.',
+      icon: '',
+      customIconPath: '/integrations/opentelemetry/otel-icon.svg',
+    },
     {
       type: 'link',
       href: '/integrations/snowflake',