Update the README

Author: coatless

README.md

@@ -74,7 +74,15 @@ published on the repository’s website served by GitHub Pages.
 Inside of a webR session, you can access the built binaries by using the
 repository’s GitHub Pages URL, e.g.
 
-    https://gh-username.github.io/repo-name
+``` default
+https://gh-username.github.io/repo-name
+```
+
+Or, using the [r-universe](https://r-universe.dev/search/):
+
+``` default
+https://username.r-universe.dev
+```
 
 This can be set either using `options()` or specifying the location in
 each `webr::install()` call.
@@ -85,22 +93,56 @@ The easiest is probably to define the location webR should search for in
 ``` r
 # Run once at the start of the session
 options(
-  repos = c("https://gh-username.github.io/repo-name", 
-            "https://repo.r-wasm.org/")
+  webr_pkg_repos = c(
+    "https://gh-username.github.io/repo-name", 
+    "https://other-gh-username.github.io/another-repo", 
+    "https://username.r-universe.dev", 
+    "https://repo.r-wasm.org/"
+  )
 )
 
 # Call
 webr::install("pkgname")
 ```
 
-Otherwise, you can specify it each time:
+<div>
+
+> **Note**
+>
+> This is different than the `repos` option one would usually set since
+> webR only checks the [`webr_pkg_repos`
+> key](https://github.com/r-wasm/webr/blob/010223433079d1a9ef3eb9bbf73d8eccb38e6adc/packages/webr/R/install.R#L23)
+
+</div>
+
+Otherwise, you can specify it each time in the `webr::install()`
+command:
 
 ``` r
-webr::install("pkgname", "https://gh-username.github.io/repo-name")
+webr::install("pkgname", c(
+    "https://gh-username.github.io/repo-name", 
+    "https://other-gh-username.github.io/another-repo", 
+    "https://username.r-universe.dev", 
+    "https://repo.r-wasm.org/"
+  )
+)
 ```
 
 <div>
 
+> **Note**
+>
+> We do not suggest modifying at the initialization phase the
+> [`repoUrl`](https://docs.r-wasm.org/webr/latest/api/js/interfaces/WebR.WebROptions.html#repourl)
+> option in
+> [`WebR({})`](https://docs.r-wasm.org/webr/latest/api/js/classes/WebR.WebR.html)
+> as that will limit the packages to only one repository (e.g. the
+> custom repository).
+
+</div>
+
+<div>
+
 > **Important**
 >
 > Please make sure the repository’s [GitHub Pages website is available

README.qmd

@@ -65,10 +65,16 @@ on the repository's website served by GitHub Pages.
 Inside of a webR session, you can access the built binaries by using
 the repository's GitHub Pages URL, e.g.
 
-```
+```default
 https://gh-username.github.io/repo-name
 ```
 
+Or, using the [r-universe](https://r-universe.dev/search/):
+
+```default
+https://username.r-universe.dev
+```
+
 This can be set either using `options()` or specifying the location in each
 `webr::install()` call.
 
@@ -78,20 +84,38 @@ The easiest is probably to define the location webR should search for in
 ```r
 # Run once at the start of the session
 options(
-  repos = c("https://gh-username.github.io/repo-name", 
-            "https://repo.r-wasm.org/")
+  webr_pkg_repos = c(
+    "https://gh-username.github.io/repo-name", 
+    "https://other-gh-username.github.io/another-repo", 
+    "https://username.r-universe.dev", 
+    "https://repo.r-wasm.org/"
+  )
 )
 
 # Call
 webr::install("pkgname")
 ```
 
-Otherwise, you can specify it each time:
+:::{.callout-note}
+This is different than the `repos` option one would usually set since webR only checks the [`webr_pkg_repos` key](https://github.com/r-wasm/webr/blob/010223433079d1a9ef3eb9bbf73d8eccb38e6adc/packages/webr/R/install.R#L23)
+:::
+
+Otherwise, you can specify it each time in the `webr::install()` command:
 
 ```r
-webr::install("pkgname", "https://gh-username.github.io/repo-name")
+webr::install("pkgname", c(
+    "https://gh-username.github.io/repo-name", 
+    "https://other-gh-username.github.io/another-repo", 
+    "https://username.r-universe.dev", 
+    "https://repo.r-wasm.org/"
+  )
+)
 ```
 
+:::{.callout-note}
+We do not suggest modifying at the initialization phase the [`repoUrl`](https://docs.r-wasm.org/webr/latest/api/js/interfaces/WebR.WebROptions.html#repourl) option in [`WebR({})`](https://docs.r-wasm.org/webr/latest/api/js/classes/WebR.WebR.html) as that will limit the packages to only one repository (e.g. the custom repository). 
+:::
+
 :::{.callout-important}
 Please make sure the repository's [GitHub Pages website is available over `HTTPS`](https://docs.github.com/en/pages/getting-started-with-github-pages/securing-your-github-pages-site-with-https#enforcing-https-for-your-github-pages-site) not `HTTP` (notice the lack of an `s`).
 You can verify this option was selected by: