[SIS-xxx] adding sync of starboard posts and quotes, including migration script

python/tools/migrations/quotes-starboard-import/post_loader.py

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+import requests
+import os
+import json
+import time
+
+token = os.getenv('TOKEN')
+
+image_extension = ["jpg", "jpeg", "png", "gif", "webp", "tiff", "svg", "apng"]
+
+def enrich_posts(posts):
+    for post in posts:
+        print(f"Loading post {post['message_id']}")
+        url = f"https://discord.com/api/v10/channels/{post['channel_id']}/messages/{post['message_id']}"
+        message = requests.get(url, headers={'Authorization': token})
+        time.sleep(5)
+        if message.status_code == 200:
+            message_obj = json.loads(message.content)
+            post['content'] = message_obj['content']
+            attachments = []
+            attachment_objs = message_obj['attachments']
+            if len(attachment_objs) > 0:
+                for attachment in attachment_objs:
+                    extension = attachment['filename'][attachment['filename'].rfind('.') + 1]
+                    attachment = {
+                        'url': attachment['proxy_url'],
+                        'is_image': extension.lower() in image_extension
+                    }
+                    attachments.append(attachment)
+            post['attachments'] = attachments
+        else:
+            print(f"{post['message_id']}: Didnt find post {url}: {message.status_code}")
+    return posts