Add initial implementation for GitHub discussions support.

Author: xcorail

pkg/github/discussions.go

@@ -0,0 +1,30 @@
+package github
+
+import (
+	"context"
+	"github.com/google/go-github/v69/github"
+)
+
+// ListDiscussions lists discussions in a repository.
+func ListDiscussions(ctx context.Context, client *github.Client, owner, repo string) ([]*github.Discussion, error) {
+	// Implementation here
+	return nil, nil
+}
+
+// GetDiscussion retrieves a specific discussion by ID.
+func GetDiscussion(ctx context.Context, client *github.Client, owner, repo string, discussionID int64) (*github.Discussion, error) {
+	// Implementation here
+	return nil, nil
+}
+
+// CreateDiscussion creates a new discussion in a repository.
+func CreateDiscussion(ctx context.Context, client *github.Client, owner, repo, title, body string) (*github.Discussion, error) {
+	// Implementation here
+	return nil, nil
+}
+
+// AddDiscussionComment adds a comment to a discussion.
+func AddDiscussionComment(ctx context.Context, client *github.Client, owner, repo string, discussionID int64, body string) (*github.DiscussionComment, error) {
+	// Implementation here
+	return nil, nil
+}