doc: fix installation instructions for tanstack-query and swr plugins (#388)

Author: ymc9

docs/quick-start/nextjs-app-router.mdx

@@ -220,8 +220,7 @@ automagically, so you don't need to write it yourself.
 First install the `@zenstackhq/server`, `@tanstack/react-query`, and `@zenstackhq/tanstack-query` packages:
 
 ```bash
-npm install @zenstackhq/server@latest @tanstack/react-query
-npm install -D @zenstackhq/tanstack-query@latest
+npm install @zenstackhq/server@latest @zenstackhq/tanstack-query@latest @tanstack/react-query
 ```
 
 Let's mount it to the `/api/model/[...path]` endpoint. Create a `/src/app/api/model/[...path]/route.ts`

docs/quick-start/nextjs.mdx

@@ -221,8 +221,7 @@ automagically, so you don't need to write it yourself.
 First install the `@zenstackhq/server`, `@tanstack/react-query`, and `@zenstackhq/tanstack-query` packages:
 
 ```bash
-npm install @zenstackhq/server@latest @tanstack/react-query
-npm install -D @zenstackhq/tanstack-query@latest
+npm install @zenstackhq/server@latest @zenstackhq/tanstack-query@latest @tanstack/react-query
 ```
 
 Let's mount it to the `/api/model/[...path]` endpoint. Create a `/src/pages/api/model/[...path].ts`

docs/quick-start/nuxt.mdx

@@ -188,8 +188,7 @@ The CRUD APIs for all your models are now mounted to the `/api/model` endpoint.
 We can write frontend code to consume the CRUD APIs, but that would be quite boring. Instead, let's use a plugin to generate them for us. First, install the `@zenstackhq/tanstack-query` plugin package:
 
 ```bash
-npm install @tanstack/vue-query --force
-npm install -D @zenstackhq/tanstack-query
+npm install @zenstackhq/tanstack-query @tanstack/vue-query
 ```
 
 :::info

docs/reference/plugins/swr.mdx

@@ -23,7 +23,7 @@ To use the generated hooks, you need to install "swr" version 2.0.0 or above.
 ### Installation
 
 ```bash
-npm install --save-dev @zenstackhq/swr
+npm install @zenstackhq/swr
 ```
 
 ### Context Provider