Updated JSON schema

Author: squidfunk

docs/schema/theme.json

@@ -685,6 +685,20 @@
               "navigation.instant"
             ]
           },
+          {
+            "title": "Instant prefetching",
+            "markdownDescription": "https://squidfunk.github.io/mkdocs-material/setup/setting-up-navigation/#instant-prefetching",
+            "enum": [
+              "navigation.instant.prefetch"
+            ]
+          },
+          {
+            "title": "Progress indicator",
+            "markdownDescription": "https://squidfunk.github.io/mkdocs-material/setup/setting-up-navigation/#progress-indicator",
+            "enum": [
+              "navigation.instant.progress"
+            ]
+          },
           {
             "title": "Navigation path (Breadcrumbs)",
             "markdownDescription": "https://squidfunk.github.io/mkdocs-material/setup/setting-up-navigation/#navigation-path",