Add tutorial notebook for M3 readout mitigation

docs/tutorials/_toc.json

@@ -178,6 +178,10 @@
             {
               "title": "Circuit cutting for depth reduction",
               "url": "/docs/tutorials/depth-reduction-with-circuit-cutting"
+            },
+            {
+              "title": "Readout error mitigation for the Sampler primitive using M3",
+              "url": "/docs/tutorials/readout-error-mitigation-sampler"
             }
           ]
         },

docs/tutorials/index.mdx

@@ -135,6 +135,8 @@ Addons enable advanced circuit manipulation, such as cutting, backpropagating ob
 
 * [Circuit cutting for depth reduction](/docs/tutorials/depth-reduction-with-circuit-cutting)
 
+* [Readout error mitigation for the Sampler primitive using M3](/docs/tutorials/readout-error-mitigation-sampler)
+
 </details>