docs: update installation

Author: TkDodo

docs/react/installation.md

@@ -7,26 +7,28 @@ You can install React Query via [NPM](https://npmjs.com),
 or a good ol' `<script>` via
 [unpkg.com](https://unpkg.com).
 
+> v5 is currently in alpha.
+
 ### NPM
 
 ```bash
-$ npm i @tanstack/react-query
+$ npm i @tanstack/react-query@alpha
 # or
-$ pnpm add @tanstack/react-query
+$ pnpm add @tanstack/react-query@alpha
 # or
-$ yarn add @tanstack/react-query
+$ yarn add @tanstack/react-query@alpha
 ```
 
-React Query is compatible with React v16.8+ and works with ReactDOM and React Native.
+React Query is compatible with React v18+ and works with ReactDOM and React Native.
 
-> Wanna give it a spin before you download? Try out the [simple](/query/v4/docs/examples/react/simple) or [basic](/query/v4/docs/examples/react/basic) examples!
+> Wanna give it a spin before you download? Try out the [simple](../examples/react/simple) or [basic](../examples/react/basic) examples!
 
 ### CDN
 
 If you're not using a module bundler or package manager we also have a global ("UMD") build hosted on the [unpkg.com](https://unpkg.com) CDN. Simply add the following `<script>` tag to the bottom of your HTML file:
 
 ```html
-<script src="https://unpkg.com/@tanstack/react-query@4/build/umd/index.production.js"></script>
+<script src="https://unpkg.com/@tanstack/react-query@alpha/build/umd/index.production.js"></script>
 ```
 
 Once you've added this you will have access to the `window.ReactQuery` object and its exports.
@@ -53,9 +55,9 @@ opera >= 70
 It is recommended to also use our [ESLint Plugin Query](./eslint/eslint-plugin-query) to help you catch bugs and inconsistencies while you code. You can install it via:
 
 ```bash
-$ npm i -D @tanstack/eslint-plugin-query
+$ npm i -D @tanstack/eslint-plugin-query@alpha
 # or
-$ pnpm add -D @tanstack/eslint-plugin-query
+$ pnpm add -D @tanstack/eslint-plugin-query@alpha
 # or
-$ yarn add -D @tanstack/eslint-plugin-query
+$ yarn add -D @tanstack/eslint-plugin-query@alpha
 ```

docs/svelte/installation.md

@@ -5,14 +5,16 @@ title: Installation
 
 You can install Svelte Query via [NPM](https://npmjs.com).
 
+> v5 is currently in alpha.
+
 ### NPM
 
 ```bash
-$ npm i @tanstack/svelte-query
+$ npm i @tanstack/svelte-query@alpha
 # or
-$ pnpm add @tanstack/svelte-query
+$ pnpm add @tanstack/svelte-query@alpha
 # or
-$ yarn add @tanstack/svelte-query
+$ yarn add @tanstack/svelte-query@alpha
 ```
 
 > Wanna give it a spin before you download? Try out the [basic](/query/v4/docs/svelte/examples/svelte/basic) example!

docs/vue/installation.md

@@ -5,17 +5,19 @@ title: Installation
 
 You can install Vue Query via [NPM](https://npmjs.com).
 
+> v5 is currently in alpha.
+
 ### NPM
 
 ```bash
-$ npm i @tanstack/vue-query
+$ npm i @tanstack/vue-query@alpha
 # or
-$ pnpm add @tanstack/vue-query
+$ pnpm add @tanstack/vue-query@alpha
 # or
-$ yarn add @tanstack/vue-query
+$ yarn add @tanstack/vue-query@alpha
 ```
 
-> Wanna give it a spin before you download? Try out the [basic](/query/v4/docs/vue/examples/vue/basic) example!
+> Wanna give it a spin before you download? Try out the [basic](../examples/vue/basic) example!
 
 Vue Query is compatible with Vue 2.x and 3.x