added editor config

boilerplate-card-editor.js

@@ -0,0 +1 @@
+

boilerplate-card.js

@@ -2320,12 +2320,11 @@ let BoilerplateCard = class BoilerplateCard extends LitElement {
             return html `
         <ha-card>
           <div class="warning">Show Warning</div>
-        </ha-card>`;
+        </ha-card>
+      `;
         }
         return html `
-      <ha-card
+      <ha-card .header=${this._config.name ? this._config.name : 'Boilerplate'}></ha-card>
-        .header=${this._config.name ? this._config.name : 'Boilerplate'}
-      ></ha-card>
     `;
     }
     static get styles() {

rollup.config.js

@@ -1,14 +1,27 @@
 import resolve from 'rollup-plugin-node-resolve';
 import typescript  from 'rollup-plugin-typescript2';
 
-export default {
+
-    input: 'src/index.ts',
+const commonPlugins = [
-    output: {
+    resolve(),
-        file: 'boilerplate-card.js',
+    typescript()
-        format: 'es'
+];
+
+export default [
+    {
+        input: 'src/index.ts',
+        output: {
+            file: 'boilerplate-card.js',
+            format: 'es'
+        },
+        plugins: [...commonPlugins]
     },
-    plugins: [
+    {
-        resolve(),
+        input: 'src/editor.ts',
-        typescript ()
+        output: {
-    ]
+            file: 'boilerplate-card-editor.js',
-};
+            format: 'es'
+        },
+        plugins: [...commonPlugins]
+    }
+]