MOD-349 Contextual Uploads for MD Editor (#119)

* Migrate DropArea to composition

* remove hardcoded button styling

* let markdown editor call for image upload

* allow for local testing in the docs

* validate url on set

* add chips to modal with correct defaults

* update docs to show example url doesn't load

* Bump version 0.6.4

lib/components/modal/ShareModal.vue

@@ -129,7 +129,7 @@ defineExpose({
         <div v-if="link" class="iconified-input">
           <LinkIcon />
           <input type="text" :value="url" readonly />
-          <Button v-tooltip="'Copy Text'" @click="copyText">
+          <Button v-tooltip="'Copy Text'" class="r-btn" @click="copyText">
             <ClipboardCopyIcon />
           </Button>
         </div>