docs: add internal api to the docs

Author: avik-pal

docs/make.jl

@@ -43,6 +43,7 @@ pages = [
         ],
         "MLIR API" => "api/mlirc.md",
         "XLA" => "api/xla.md",
+        "Internal API" => "api/internal.md",
     ],
 ]
 

docs/src/.vitepress/config.mts

@@ -78,7 +78,8 @@ export default defineConfig({
               { text: "MLIR API", link: "/api/mlirc" },
               { text: "XLA", link: "/api/xla" },
             ],
-          }
+          },
+          { text: "Internal API", link: "/api/internal" },
         ],
       },
       {
@@ -132,6 +133,7 @@ export default defineConfig({
               { text: "XLA", link: "/api/xla" },
             ],
           },
+          { text: "Internal API", link: "/api/internal" },
         ],
       },
     },

docs/src/api/internal.md

@@ -0,0 +1,12 @@
+```@meta
+CollapsedDocStrings = true
+```
+
+# Internal API
+
+These functions are not part of the public API and are subject to change at any time.
+
+```@docs
+Reactant.REDUB_ARGUMENTS_NAME
+Reactant.within_reactant_interpreter
+```