fix some typos and image format for lecture-pierre-rochard (PlanB-Net…

…work#394)

* Update events.yml

* lecture-pierre-rochard, convert to webp

resources/conference/lecture-pierre-rochard/events.yml

@@ -5,7 +5,7 @@
   address_line_2: Universidad Don Bosco | Campus Antiguo Cuscatlán
   address_line_3: Avenida Albert Einstein 233
   name: Pierre Rochard - Mining Technology and Economics
-  builder: PlanB
+  builder: planb_network
   type: Lecture
   book_online: true
   book_in_person: true
@@ -16,7 +16,7 @@
   links:
     replay_url:
     live_url : https://peertube.planb.network/videos/embed/76c0fa8b-ee1e-4ab3-a1b3-f40318cf44eb
-  tag: 
+  tags: 
     - economy
     - Bitcoiner
-    - General
+    - General

scripts/webp-batch-conversion.py

@@ -76,7 +76,7 @@ def update_md_links(root_dir):
                 print(f"Updated image links in {md_path}")
 
 if __name__ == "__main__":
-    root_dir = './../resources/conference/'
+    root_dir = './../resources/conference/lecture-pierre-rochard/assets/'
     convert_to_webp_and_remove_metadata(root_dir)  # Converts non-WebP files and strips metadata
     remove_metadata_from_existing_webp(root_dir)   # Ensures existing WebP files have no metadata
     update_md_links(root_dir)                      # Updates markdown links