refactor: update ESLint configuration and remove unused dependencies

- Replaced Nuxt ESLint configuration with Antfu's ESLint config.
- Removed 'nuxt-visitors' module from Nuxt configuration.
- Added linting scripts to package.json for easier code quality checks.
- Introduced a new API endpoint for fetching weather data from OpenWeather.
- Enhanced chat types with new enums and properties for better state management.
- Added OpenWeather response types for improved type safety.
- Updated social links in types/index.ts to include an email contact.

server/api/weather/index.get.ts

@@ -0,0 +1,26 @@
+import type { OpenWeatherResponse } from '~~/types'
+
+export default defineCachedEventHandler(async (event) => {
+  const { openWeather } = useRuntimeConfig(event)
+  const response = await $fetch<OpenWeatherResponse>(`https://api.openweathermap.org/data/2.5/weather`, {
+    params: {
+      q: 'Paris,FR',
+      units: 'metric',
+      lang: 'en',
+      appid: openWeather.apiKey,
+    },
+  })
+  const weather = {
+    location: response.name,
+    temperature: Math.round(response.main.temp),
+    temp_min: Math.round(response.main.temp_min),
+    temp_max: Math.round(response.main.temp_max),
+    humidity: response.main.humidity,
+    wind: response.wind.speed,
+    description: response.weather[0].description,
+  }
+
+  return weather
+}, {
+  maxAge: 12 * 60 * 60, // 12 hours
+})