💻 | Move typescript types file into the directory + Convert Nuxt config into a ts file

@types/index.d.ts

@@ -0,0 +1,28 @@
+import { NuxtAxiosInstance } from '@nuxtjs/axios'
+import VueI18n, {IVueI18n} from "vue-i18n";
+import {ColorModeInstance} from "@nuxtjs/color-mode/types/color-mode";
+
+declare module 'vue/types/vue' {
+
+  interface Vue {
+    $axios: NuxtAxiosInstance,
+  }
+}
+declare module '@nuxt/types' {
+
+  interface NuxtAppOptions {
+    $axios: NuxtAxiosInstance,
+  }
+
+  interface Context {
+    $axios: NuxtAxiosInstance,
+    $i18n: VueI18n & IVueI18n
+    $colorMode: ColorModeInstance
+  }
+}
+
+declare module 'vuex/types/index' {
+  interface Store<S> {
+    $axios: NuxtAxiosInstance
+  }
+}

@types/vue-shim.d.ts

@@ -0,0 +1,4 @@
+declare module '*.vue' {
+  import Vue from 'vue'
+  export default Vue
+}