Add SDD aggregation into the core website (#3139)

Author: thomas-bc

.github/actions/markdown-check/mlc-config.json

@@ -11,6 +11,12 @@
       },
       {
         "pattern": "^\\.\\./tree/HEAD/"
+      },
+      {
+        "pattern": ".*\\.[chf]pp"
+      },
+      {
+        "pattern": "../../../.."
       }
     ]
 }

.github/actions/spelling/excludes.txt

@@ -100,3 +100,4 @@
 ^\Qdocs/Tutorials/FullSystemTutorial/Tutorial.md\E$
 ^\QSvc/FileUplink/test/ut/dest.bin\E$
 ignore$
+mlc-config.json