feat: add AI chat and summarize endpoints with database integration

- Implemented a new chat endpoint that utilizes Groq for chat completions based on news articles.
- Added a summarize endpoint that fetches news articles from the database and generates summaries using Groq.
- Introduced a new package "@vueuse/core" for improved reactivity.
- Created a comprehensive command UI component with various subcomponents for better user interaction.
- Developed a scraping module using Scrapy to fetch news articles from Google News.
- Added validation and sanitization for slug parameters in the fetch article endpoint.

components/ui/command/index.ts

@@ -0,0 +1,25 @@
+import type { Ref } from 'vue'
+import { createContext } from 'reka-ui'
+
+export { default as Command } from './Command.vue'
+export { default as CommandDialog } from './CommandDialog.vue'
+export { default as CommandEmpty } from './CommandEmpty.vue'
+export { default as CommandGroup } from './CommandGroup.vue'
+export { default as CommandInput } from './CommandInput.vue'
+export { default as CommandItem } from './CommandItem.vue'
+export { default as CommandList } from './CommandList.vue'
+export { default as CommandSeparator } from './CommandSeparator.vue'
+export { default as CommandShortcut } from './CommandShortcut.vue'
+
+export const [useCommand, provideCommandContext] = createContext<{
+  allItems: Ref<Map<string, string>>
+  allGroups: Ref<Map<string, Set<string>>>
+  filterState: {
+    search: string
+    filtered: { count: number, items: Map<string, number>, groups: Set<string> }
+  }
+}>('Command')
+
+export const [useCommandGroup, provideCommandGroupContext] = createContext<{
+  id?: string
+}>('CommandGroup')