feat(Modal): open programmatically (#78)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

src/runtime/components/ModalProvider.vue

@@ -0,0 +1,12 @@
+<script lang="ts" setup>
+import { inject } from 'vue'
+import { useModal, modalInjectionKey } from '../composables/useModal'
+
+const modalState = inject(modalInjectionKey)
+
+const { isOpen } = useModal()
+</script>
+
+<template>
+  <component :is="modalState.component" v-if="modalState" v-bind="modalState.props" v-model:open="isOpen" />
+</template>