added bun docs

docs/integrations/frameworks/bun.mdx

@@ -0,0 +1,32 @@
+---
+title: "React"
+description: "How to use Infisical to inject environment variables and secrets into a React app."
+---
+
+Prerequisites:
+
+- Set up and add envars to [Infisical Cloud](https://app.infisical.com)
+- [Install the CLI](/cli/overview)
+
+## Initialize Infisical for your [Create React App](https://create-react-app.dev)
+
+```bash
+# navigate to the root of your of your project 
+cd /path/to/project
+
+# then initialize infisical
+infisical init
+```
+
+## Start your application as usual but with Infisical
+
+```bash
+infisical run -- <your application start command>
+
+# Example
+infisical run -- bun run dev
+```
+
+<Info>
+  Bun environment variables can be called as either `bun.env.SECRET` or `process.env.SECRET`.
+</Info>