Add deepwiki badge (#475)

* Add deepwiki badge to readme

* Add to pkgdown navbar

Author: shikokuchuo

README.Rmd

@@ -22,6 +22,7 @@ knitr::opts_chunk$set(
 [![R-CMD-check](https://github.com/r-lib/mirai/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/r-lib/mirai/actions/workflows/R-CMD-check.yaml)
 [![Codecov test coverage](https://codecov.io/gh/r-lib/mirai/graph/badge.svg)](https://app.codecov.io/gh/r-lib/mirai)
 [![DOI](https://zenodo.org/badge/459341940.svg)](https://zenodo.org/badge/latestdoi/459341940)
+[![Ask DeepWiki](https://deepwiki.com/badge.svg)](https://deepwiki.com/r-lib/mirai)
 <!-- badges: end -->
 
 ### ミライ

README.md

@@ -13,6 +13,8 @@ status](https://r-lib.r-universe.dev/badges/mirai)](https://r-lib.r-universe.dev
 [![Codecov test
 coverage](https://codecov.io/gh/r-lib/mirai/graph/badge.svg)](https://app.codecov.io/gh/r-lib/mirai)
 [![DOI](https://zenodo.org/badge/459341940.svg)](https://zenodo.org/badge/latestdoi/459341940)
+[![Ask
+DeepWiki](https://deepwiki.com/badge.svg)](https://deepwiki.com/r-lib/mirai)
 <!-- badges: end -->
 
 ### ミライ

pkgdown/_pkgdown.yml

@@ -6,7 +6,8 @@ template:
   includes:
     in_header: |
       <script defer data-domain="mirai.r-lib.org,all.tidyverse.org" src="https://plausible.io/js/plausible.js"></script>
-
+    after_navbar: |
+      <a href="https://deepwiki.com/r-lib/mirai"><img src="https://deepwiki.com/badge.svg" alt="Ask DeepWiki"></a>
 reference:
 - contents:
   - mirai-package