Update React Tutorial (remove detect-metamask) (#1299)

* Initial changes to tutorial 1

* update 6963 text

* first draft of new tutorial #1 using local state/one component

* final draft tutorial 1

* update to css

* update css

* Add select wallet functionality

* update conclusion of React tutorial with eip-6963 and final image

* remove connect to metamask button outdated image

* Add Error Handling, and final update of the tutorial text

* Final draft of Tutorial, code and images

* edit tutorial

* minor edits

* rearrange css instruction

* update tutorial image "final" and update url to image in markdown

* Test if the .[filename] trick will keep docusaurus from removing the page but not build in navigation.

* Change file name back.

* Build wallet sidebar for tutorials manually.

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Co-authored-by: Alexandra Tran <alexandratran@protonmail.com>

wallet-sidebar.js

@@ -21,7 +21,12 @@ const sidebar = {
       type: "category",
       label: "Tutorials",
       link: { type: "generated-index", slug: "/tutorials" },
-      items: [{ type: "autogenerated", dirName: "tutorials" }],
+      items: [
+        {
+          type: "doc",
+          id: "tutorials/react-dapp-local-state",
+        },
+      ],
     },
     {
       type: "category",