Update file-panel.js

change from "http" to "https" to improve more secure

src/app/panels/file-panel.js

@@ -134,7 +134,7 @@ function filepanel (appAPI, filesProvider) {
     return yo`
       <div class=${css.dialog}>
         <div class=${css.dialogParagraph}>Interact with your file system from Remix. Click connect and find shared folder in the Remix file explorer (under localhost).
-          Before you get started, check out <a target="_blank" href="http://remix.readthedocs.io/en/latest/tutorial_remixd_filesystem.html">Tutorial_remixd_filesystem</a>
+          Before you get started, check out <a target="_blank" href="https://remix.readthedocs.io/en/latest/tutorial_remixd_filesystem.html">Tutorial_remixd_filesystem</a>
           to find out how to run Remixd.
         </div>
         <div class=${css.dialogParagraph}>Connection will start a session between <em>${window.location.href}</em> and your local file system <i>ws://127.0.0.1:65520</i>