fix(typedoc): exclude migrations and schematics

Author: Aleksandyr

tsconfig.json

@@ -26,7 +26,9 @@
         "rootDir": "."
     },
     "exclude": [
-        "dist"
+        "dist",
+        "projects/igniteui-angular/migrations/",
+        "projects/igniteui-angular/schematics/"
     ],
     "typedocOptions": {
         "out": "dist/igniteui-angular/docs/typescript",