Refine ddev config and htaccess once more, update .gitignore

public/.htaccess

@@ -236,9 +236,9 @@ AddDefaultCharset utf-8
 	# Enable URL rewriting
 	RewriteEngine On
 
-    # Force SSL for all domains except ddev
+    # Force SSL
 	RewriteCond %{HTTPS} off
-	RewriteCond %{HTTP_HOST} !\.ddev\.site$
+	RewriteCond %{HTTP:X-Forwarded-Proto} =http
 	RewriteRule (.*) https://%{HTTP_HOST}/$1 [R=301,L]
 
 	# Store the current location in an environment variable CWD to use