Rename files

.gitignore

 # mine
 node_modules/*
 www/
-local-server.cert
-local-server.key
+.local-server.cert
+.local-server.key
 site/
 docs/__pycache__/*
 demos/**/*.blend1

esbuild.mjs

     host: '0.0.0.0',
     port: 8000,
     servedir: 'www',
-    keyfile: path.join(import.meta.dirname, 'local-server.key'),
-    certfile: path.join(import.meta.dirname, 'local-server.cert'),
+    keyfile: path.join(import.meta.dirname, '.local-server.key'),
+    certfile: path.join(import.meta.dirname, '.local-server.cert'),
 });
 
 function generateBanner()