HotFix - Add Algolia Index (#1343)

* Update [...2]onboard.js-migration-guide.md

updated links, punctuation and grammar.

* addressed comments from PR and updated links

* Create [...2]onboard.js-migration-guide.md

* Remove duplicate cmigration guide

* Add changes that were part of duplicate mig guide

* Revert relative path for external

* Update link from expired docs to examples folder

* injected wallets doc fix

* no version bump needed

* Add Search to Docs (#1322)

* Update layout
* Update homepage
* Add algolia packages
* Update index name
* Update search keys
* yarn it

* Remove algolia from layout-homepage

* Update docs/src/routes/__layout-homepage.svelte

* Update docs/src/routes/__layout-homepage.svelte

* Update index name

Co-authored-by: laurencedelisle <[email protected]>
Co-authored-by: mhchaudhry3 <[email protected]>

Author: 3 people

docs/src/routes/__layout-kit-docs.svelte

@@ -80,7 +80,7 @@
     <Algolia
       apiKey="1bce9c4755cea3698e16830544503ee2"
       appId="02BH13PRRI"
-      indexName="docsearch"
+      indexName="blocknative"
       placeholder="Search documentation"
       slot="search"
     />