Include credentials for follow link from subdomains

src/templates/src/project_homepage.html

@@ -74,6 +74,7 @@
 									method: "POST",
 									body: formData,
 									redirect: "error",
+									credentials: "include",
 								});
 								if (result.ok) {
 									following = !following;

src/templates/src/user_profile.html

@@ -62,6 +62,7 @@
 							method: "POST",
 							body: formData,
 							redirect: "error",
+							credentials: "include",
 						});
 						if (result.ok) {
 							following = !following;