Set up @emotion/react correctly (#1626)

* Correctly, set up @emotion/react

* Run prettier

Author: reakaleek

src/Elastic.Documentation.Site/Assets/web-components/SearchOrAskAi/AskAiAnswer.tsx

@@ -1,4 +1,3 @@
-/** @jsxImportSource @emotion/react */
 import { useAskAiTerm } from './search.store'
 import { LlmGatewayMessage, useLlmGateway } from './useLlmGateway'
 import {

src/Elastic.Documentation.Site/Assets/web-components/SearchOrAskAi/AskAiSuggestions.tsx

@@ -1,4 +1,3 @@
-/** @jsxImportSource @emotion/react */
 import { useSearchActions, useSearchTerm } from './search.store'
 import { EuiButton, EuiSpacer, EuiText, useEuiTheme } from '@elastic/eui'
 import { css } from '@emotion/react'

src/Elastic.Documentation.Site/Assets/web-components/SearchOrAskAi/SearchOrAskAiModal.tsx

@@ -11,8 +11,6 @@ import {
 import { css } from '@emotion/react'
 import * as React from 'react'
 
-/** @jsxImportSource @emotion/react */
-
 export const SearchOrAskAiModal = () => {
     const searchTerm = useSearchTerm()
     const askAiTerm = useAskAiTerm()

src/Elastic.Documentation.Site/Assets/web-components/SearchOrAskAi/SearchSuggestions.tsx

@@ -1,4 +1,3 @@
-/** @jsxImportSource @emotion/react */
 import { useModalActions } from './modal.store'
 import {
     EuiButton,

src/Elastic.Documentation.Site/tsconfig.json

@@ -0,0 +1,21 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "lib": ["DOM", "DOM.Iterable", "ES6"],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "esModuleInterop": true,
+    "allowSyntheticDefaultImports": true,
+    "strict": true,
+    "forceConsistentCasingInFileNames": true,
+    "module": "ES2020",
+    "moduleResolution": "node",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "jsx": "react-jsx",
+    "jsxImportSource": "@emotion/react"
+  },
+  "include": ["Assets/**/*"],
+  "exclude": ["node_modules", "_static"]
+}