Upgrade Docusaurus to v3

docs/js-sdk/deprecation-notice.md

@@ -1,5 +1,5 @@
 :::warning Warning
-The legacy JavaScript library is deprecated and the repository has been renamed to [c2pa-js-legacy](https://github.com/contentauth/c2pa-js-legacy).  The new JavaScript web library is now in the <https://github.com/contentauth/c2pa-js> repository. The old package will no longer be updated or supported.
+The legacy JavaScript library is deprecated and the repository has been renamed to [c2pa-js-legacy](https://github.com/contentauth/c2pa-js-legacy).  The new JavaScript web library is now in the https://github.com/contentauth/c2pa-js repository. The old package will no longer be updated or supported.
 
 If you're starting a new application, use the new library instead.
 :::

docs/mobile.md

@@ -8,7 +8,7 @@ These projects have recently graduated from "incubator" status, but are still un
 :::
 
 These projects are available to enable developing apps for mobile devices:
-- [**iOS Library**](/c2pa-ios/README.md): Provides iOS/macOS support via Swift Package/XCFramework.  <br/>GitHub repository: <https://github.com/contentauth/c2pa-ios>.
-- [**Android Library**](c2pa-android/README.md): Provides native Android support via an AAR library. <br/>GitHub repository: <https://github.com/contentauth/c2pa-android>.
+- [**iOS Library**](/c2pa-ios/README.md): Provides iOS/macOS support via Swift Package/XCFramework.  <br/>GitHub repository: https://github.com/contentauth/c2pa-ios.
+- [**Android Library**](c2pa-android/README.md): Provides native Android support via an AAR library. <br/>GitHub repository: https://github.com/contentauth/c2pa-android.
 
 Both of these projects wrap the C2PA Rust implementation ([c2pa-rs](https://github.com/contentauth/c2pa-rs)) using its C API bindings.

docs/verify.mdx

@@ -58,7 +58,7 @@ The [example-assets](https://contentauth.github.io/example-assets/) repository c
 
 ### Source code
 
-The code for the Verify site is open source and is available at <https://github.com/contentauth/verify-site/>.
+The code for the Verify site is open source and is available at https://github.com/contentauth/verify-site/.
 
 :::warning Warning
 Verify uses the [legacy JavaScript library](js-sdk/getting-started/overview.mdx), which is deprecated and unsupported. For new projects, use the [new JavaScript library](c2pa-js/readme.md) instead.

docusaurus.config.js

@@ -1,8 +1,11 @@
 // @ts-check
 // Note: type annotations allow type checking and IDEs autocompletion
 
-const lightCodeTheme = require('prism-react-renderer/themes/github');
-const darkCodeTheme = require('prism-react-renderer/themes/dracula');
+//const lightCodeTheme = require('prism-react-renderer/themes/github');
+//const darkCodeTheme = require('prism-react-renderer/themes/dracula');
+
+const lightCodeTheme = require('prism-react-renderer').themes.github;
+const darkCodeTheme = require('prism-react-renderer').themes.dracula;
 
 const copyright = `
 <div style="font-size: 0.75rem;">