fix: convert to ES modules for matrix-js-sdk v42 compatibility

index.js

@@ -1,12 +1,14 @@
-require('dotenv').config();
-const { MatrixClient } = require('matrix-js-sdk');
-const fs = require('fs');
+import * as dotenv from 'dotenv';
+import { MatrixClient } from 'matrix-js-sdk';
+import fs from 'fs';
+
+dotenv.config();
 
 const client = new MatrixClient({
     accessToken: process.env.MATRIX_ACCESS_TOKEN,
     matrix_homeserver: {
         baseUrl: process.env.MATRIX_HOME_SERVER,
-    }
+    },
 });
 
 function loadQuotes() {

package.json

@@ -2,6 +2,7 @@
   "name": "ancestor-bot",
   "version": "1.0.0",
   "description": "",
+  "type": "module",
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
@@ -9,7 +10,6 @@
   "keywords": [],
   "author": "",
   "license": "ISC",
-  "type": "commonjs",
   "dependencies": {
     "dotenv": "^17.4.2",
     "matrix-js-sdk": "^42.3.0"