Add documentation for how to delete a toolkit

nexus/concepts/toolkits.mdx

@@ -105,6 +105,25 @@ Creating a toolkit takes just a few steps and lets you build focused tool groups
   </Step>
 </Steps>
 
+## How to Delete a Toolkit
+### Method 1: Using chat
+Ask in the chat for your toolkit to be deleted. For example:
+```
+Delete my development toolkit.
+```
+
+### Method 2: Using the toolkits drop-down
+Open the toolkits dropdown at the top of the page and click the gear icon.
+Delete buttons will appear next to each toolkit's name.
+
+<Frame caption="Click on the gear icon in the toolkits dropdown to delete a toolkit">
+  <img
+    className="rounded-lg"
+    src="/images/steps/toolkit/delete-toolkit.png"
+    alt="Nexus interface showing the Delete toolkit button in the navigation"
+  />
+</Frame>
+
 ## Using Toolkits in AI Clients
 
 You have two main ways to work with toolkits:
@@ -136,6 +155,7 @@ If you're using Nexus Chat or managing multiple toolkits, you can switch between
 
   <Accordion title="Sharing Toolkits">
     Toolkit URLs are tied to your account's authentication. Team members will need their own toolkit configurations, but you can share the concept and tool combinations.
+    Toolkits cannot be shared between organizations. A tookit is linked to the organization where it was created.
   </Accordion>
 
   <Accordion title="Default vs Toolkit URLs">