feat: Enhances future post handling and default metadata

Improves handling of future posts by checking date type before parsing.
Adds default metadata for blog posts, including license and author
details, ensuring consistency and compliance with CC BY-SA 4.0.

main.py

@@ -115,9 +115,12 @@ def generate_blog_html(posts_per_page=5):
 
                 # Only process future posts in development mode
                 if front_matter.get("date"):
+                    if isinstance(front_matter["date"], str):
                         post_date = datetime.datetime.strptime(
                             front_matter["date"], "%Y-%m-%d %H:%M:%S"
                         )
+                    else:
+                        post_date = front_matter["date"]
                     if post_date > datetime.datetime.now():
                         if not args.dev:
                             print(f"Skipping future post: {post_dir.name}")
@@ -184,6 +187,11 @@ def generate_blog_html(posts_per_page=5):
 
     # Render each individual post
     for post in blog_posts:
+        post.setdefault("license", "CC BY-SA 4.0")
+        post.setdefault("license-url", "https://creativecommons.org/licenses/by-sa/4.0/")
+        post.setdefault("author", "Private.coffee Team")
+        post.setdefault("author-url", "https://private.coffee")
+
         post_slug = post["slug"]
         render_template_to_file(
             "blog/post.html",