added a script to check for dupe comments

scripts/check_dupes.py

@@ -0,0 +1,14 @@
+import json
+
+comments = json.load(open("docs/comments.json", encoding="utf-8"))
+seen, dupes = {}, 0
+
+for i, c in enumerate(comments):
+    k = (c.get("id",""), c.get("text",""), c.get("timestamp",0))
+    if k in seen: 
+        dupes += 1; 
+        print(f"  Index {i} dupes {seen[k]} | id={k[0]} | ts={k[2]} | text={k[1][:80]}")
+    else: 
+        seen[k] = i
+
+print(f"Found {dupes} duplicate(s)" if dupes else f"No duplicates among us.")