feat: provide types for typescript

package.json

@@ -10,6 +10,7 @@
     "type": "git",
     "url": "https://github.com/pulsardev/vue-tour.git"
   },
+  "typings": "types/index.d.ts",
   "keywords": [
     "vue",
     "tour"

types/index.d.ts

@@ -0,0 +1,21 @@
+import './vue';
+import Vue from 'vue';
+
+export function install (vue: typeof Vue): void
+
+export interface Tour {
+  // Methods
+  start(startStep?: string): void
+  previousStep(): void
+  nextStep(): void
+  stop(): void
+  skip(): void
+  finish(): void
+  currentStep: number
+
+  // Computed
+  isRunning: boolean
+  isFirst: boolean
+  isLast: boolean
+  numberOfSteps: number
+}

types/vue.d.ts

@@ -0,0 +1,8 @@
+import {Tour} from './index';
+
+declare module 'vue/types/vue' {
+
+    interface Vue {
+        $tours: Record<string, Tour>;
+    }
+}