chore: added missing images (#2232)

Author: deepakprabhakara

docs/polis/_assets/sso/box-1.png

@@ -46,9 +46,7 @@ the **Security** tab.
 
 Here is how Sentry does the SAML SSO configuration for their customers.
 
-<p>
-  <img src="/images/guides/sso/sentry-metadata.png" style={{ border: "1px solid black" }} title="The SAML SSO settings" />
-</p>
+![The SAML SSO settings](../_assets/sso/sentry-metadata.png)
 
 To create an [SSO connection with Ory Polis](../sso-flow/#2-sso-connection-api), you must pass the tenant identifier, product
 name, and XML metadata. So your settings page UI must display a form to capture the XML Metadata.

docs/polis/_assets/sso/dropbox-1.png

@@ -24,9 +24,9 @@ they click the button.
 
 **Postman** takes this approach to enable SAML SSO for their enterprise users.
 
-<img src="/images/guides/sso/postman-1.png" style={{ border: "1px solid black" }} />
+![Postman Login 1](../_assets/sso/postman-1.png)
 
-<img src="/images/guides/sso/postman-2.png" style={{ border: "1px solid black" }} />
+![Postman Login 2](../_assets/sso/postman-2.png)
 
 The user flow would be something similar to the one below.
 
@@ -43,9 +43,9 @@ This approach hides the password field if SSO is enabled for a domain.
 
 You can see this approach on the **Dropbox** login form.
 
-<img src="/images/guides/sso/dropbox-1.png" style={{ border: "1px solid black" }} />
+![Dropbox Login 1](../_assets/sso/dropbox-1.png)
 
-<img src="/images/guides/sso/dropbox-2.png" style={{ border: "1px solid black" }} />
+![Dropbox Login 2](../_assets/sso/dropbox-2.png)
 
 The user flow would be something similar to the one below.
 
@@ -63,11 +63,9 @@ application redirects users to the subdomain page to show the available authenti
 
 You can see this approach on the **Freshchat or Freshworks** login form.
 
-<img src="/images/guides/sso/freshchat-1.png" style={{ border: "1px solid black" }} />
+![Freshchat Login 1](../_assets/sso/freshchat-1.png)
 
-<p align="center">
-  <img src="/images/guides/sso/freshchat-2.png" width="70%" style={{ border: "1px solid black" }} />
-</p>
+![Freshchat Login 2](../_assets/sso/freshchat-2.png)
 
 The user flow would be something similar to the one below.
 
@@ -85,7 +83,7 @@ the current user.
 
 **Box** uses this approach for its authentication flow.
 
-<img src="/images/guides/sso/box-1.png" style={{ border: "1px solid black" }} />
+![Box Login](../_assets/sso/box-1.png)
 
 The user flow would be something similar to the one below.