feat: add deploy tokens (#37306)

Deploy keys only work over SSH. A deploy token is their counterpart for HTTPS: a repository scoped credential, used as the password of a Git request, with read or read and write access. It covers Git operations and LFS, and can be regenerated in place.

Signed-off-by: silverwind <me@silverwind.io>
Co-authored-by: Claude Mythos <noreply@anthropic.com>
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: bircni <bircni@icloud.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

services/forms/repo_form.go

@@ -576,3 +576,10 @@ type SaveTopicForm struct {
 	middleware.FormDefaultValidator
 	Topics []string `binding:"topics;Required;"`
 }
+
+// AddDeployTokenForm form for adding a deploy token to a repository
+type AddDeployTokenForm struct {
+	middleware.FormDefaultValidator
+	Title      string `binding:"Required;MaxSize(50)"`
+	IsWritable bool
+}