build: add rollup-plugin-import-css, ignore build files

.gitignore

@@ -8,6 +8,8 @@ package-lock.json
 
 # build
 *.js.map
+main.js
+styles.css
 
 # obsidian
 data.json

package.json

@@ -17,7 +17,8 @@
     "@types/node": "^14.14.37",
     "obsidian": "^0.12.0",
     "rollup": "^2.32.1",
+    "rollup-plugin-import-css": "^2.0.1",
     "tslib": "^2.2.0",
     "typescript": "^4.2.4"
   }
-}
+}

rollup.config.js

@@ -1,6 +1,7 @@
 import typescript from '@rollup/plugin-typescript';
 import {nodeResolve} from '@rollup/plugin-node-resolve';
 import commonjs from '@rollup/plugin-commonjs';
+import css from 'rollup-plugin-import-css';
 
 const isProd = (process.env.BUILD === 'production');
 
@@ -26,5 +27,6 @@ export default {
     typescript(),
     nodeResolve({browser: true}),
     commonjs(),
+    css({ output: 'styles.css' }),
   ]
 };

src/main.css

@@ -0,0 +1,3 @@
+.oz-folder-numbers{
+  margin-left: auto;
+}

src/main.ts

@@ -1,4 +1,5 @@
 import { Plugin, PluginSettingTab, App, Setting } from 'obsidian';
+import './main.css'
 
 interface FileExplorerNoteCountSettings {
 	showAllNumbers: boolean,

styles.css

@@ -1,3 +0,0 @@
-.oz-folder-numbers{
-    margin-left: auto;
-}