finish updating ca docs

docs/documentation/platform/pki/certificates/certificates.mdx

@@ -0,0 +1,4 @@
+---
+title: "Certificates"
+sidebarTitle: "Certificates"
+---

docs/documentation/platform/pki/certificates/overview.mdx

@@ -0,0 +1,14 @@
+---
+title: "Overview"
+sidebarTitle: "Overview"
+---
+
+To issue a certificate with Infisical, you'll need to create a certificate profile and a certificate template to go along with it.
+
+There are three components to understand:
+
+- [Certificate Profile](/documentation/platform/pki/certificates/profiles): A configuration set specifying how certificates should be issued under that profile including the [issuing CA](/documentation/platform/pki/ca/overview), a certificate template, and the enrollment method (such as ACME, EST, API, etc.) used to enroll certificates. When requesting a certificate, you issue it against a specific profile.
+
+- [Certificate Template](/documentation/platform/pki/certificates/templates): A policy specifying the structure and permitted attributes of a certificate, such as subject naming conventions, SAN fields, key usages, and extended key usages.
+
+- [Certificate](/documentation/platform/pki/certificates/certificate): The actual X.509 certificate issued for a profile. Once issued, a certificate kept track of in the certificate inventory.

docs/documentation/platform/pki/certificates/profiles.mdx

@@ -0,0 +1,4 @@
+---
+title: "Certificate Profiles"
+sidebarTitle: "Profiles"
+---

docs/documentation/platform/pki/certificates/templates.mdx

@@ -0,0 +1,4 @@
+---
+title: "Certificate Templates"
+sidebarTitle: "Templates"
+---