docs: add contributor attribution to romm and retrodeck scrapers

scripts/scraper/retrodeck_scraper.py

@@ -1,6 +1,8 @@
 #!/usr/bin/env python3
 """Scraper for RetroDECK BIOS requirements.
 
+Platform contributed by @monster-penguin (#36).
+
 Source: https://github.com/RetroDECK/components
 Format: component_manifest.json per component directory
 Hash:   MD5 (primary), SHA256 for some entries (melonDS DSi)

scripts/scraper/romm_scraper.py

@@ -1,6 +1,8 @@
 #!/usr/bin/env python3
 """Scraper for RomM BIOS requirements.
 
+Platform contributed by @PixNyb (#37).
+
 Source: https://github.com/rommapp/romm
 Format: JSON fixture mapping "slug:filename" to {size, crc, md5, sha1}
 Hash: SHA1 primary (all four hashes available per entry)