If you wish to serve static files from your AEM websites such as fonts and/or images (structural images like icons, background patterns, etc...), then you can:
Create a new client library with all its structural requirements under the /apps/my-site/clientlibs/clientlib-site; ensure allowProxy is enabled so that /etc.clientlibs/my-site/clientlibs/clientlib-site.js|css can be accessed. Note: It's best practice to keep your site-specific client libraries in the /apps folder.
Create a folder named of resources under the folder, example like: /apps/my-site/clientlibs/clientlib-site/resources.
add your font file in the resources folder, example like: /apps/my-site/clientlibs/clientlib-site/resources/myfont.woff.
Once the installation setup is complete, you can call the font from your CSS file like this: