feat: Add scheduled workflows and handle future posts in dev

Adds cron schedules to trigger build workflows hourly for
development and main branches for better automation.

Updates blog generation to skip future-dated posts unless in
development mode, enhancing content management.

main.py

@@ -112,6 +112,18 @@ def generate_blog_html(posts_per_page=5):
             if md_path.exists():
                 front_matter, md_content = parse_markdown_file(md_path)
                 html_content = markdown2.markdown(md_content)
+
+                # Only process future posts in development mode
+                if front_matter.get("date"):
+                    post_date = datetime.datetime.strptime(
+                        front_matter["date"], "%Y-%m-%d %H:%M:%S"
+                    )
+                    if post_date > datetime.datetime.now():
+                        if not args.dev:
+                            print(f"Skipping future post: {post_dir.name}")
+                            continue
+                        front_matter["date"] = front_matter["date"] + " (future)"
+
                 front_matter["content"] = html_content
                 front_matter["slug"] = post_dir.name