add note on dotfiles

static/code/stackblitz/README.md

@@ -35,3 +35,10 @@ This directory contains the source files for generating the individual framework
 | `main.js`        | Initializes Ionic Vue and imports global styles.              |
 | `package.json`   | Project specific dependencies to create an example with Vite. |
 | `vite.config.js` | Vite configuration file.                                      |
+
+
+## Dotfiles
+
+Dotfiles must be saved without the dot otherwise they will not be fetched correctly. However, when creating the StackBlitz project the dot can be used.
+
+For example, if you had an `.eslintrc.js` file you would save it as `eslintrc.js` in this repo. When creating the StackBlitz project the contents of that file can then be saved as `.eslintrc.js`