Add blog authors with profile pics from GitHub!

Author: Xarlos89

CONTRIBUTING.md

@@ -25,6 +25,8 @@ picks it up, newest first.
 ```markdown
 ---
 date: 2026-10-10
+authors:
+  - xarlos
 description: One sentence.
 categories:
   - Python releases
@@ -42,6 +44,21 @@ The rest of the post.
 `date` and the `<!-- more -->` line are required, and the build fails without them. Reuse an
 existing category before inventing one.
 
+`authors` puts your name and picture on the post. Each entry is a key from
+`docs/blog/.authors.yml`, so add yourself there in the same pull request as your first post:
+
+```yaml
+authors:
+  yourkey:
+    name: Your Name
+    description: A few words about you
+    avatar: https://github.com/your-username.png
+    url: https://github.com/your-username
+```
+
+`name` and `avatar` are required. A key that isn't in the file fails the build. A post written by
+two people lists both keys.
+
 ### Nav conventions
 
 The nav is written out rather than derived from the folder structure. Zensical can derive it, but it

docs/blog/.authors.yml

@@ -0,0 +1,6 @@
+authors:
+  xarlos:
+    name: Xarlos
+    description: Practical Python
+    avatar: https://github.com/Xarlos89.png
+    url: https://github.com/Xarlos89

docs/blog/posts/python-3-15.md

@@ -1,5 +1,7 @@
 ---
 date: 2026-10-10
+authors:
+  - xarlos
 description: Python 3.15 is out. Lazy imports, frozendict, unpacking in comprehensions, UTF-8 by default and a new profiler.
 categories:
   - Python releases

docs/blog/posts/welcome.md

@@ -1,5 +1,7 @@
 ---
 date: 2026-10-10
+authors:
+  - xarlos
 description: Why practicalpython.org has a blog now, and what will be posted on it.
 categories:
   - Site news