Added README for supplementary scripts.

Author: Gemba

skyscraper.pro

@@ -27,9 +27,10 @@ unix:target.files=Skyscraper Skyscraper.app/Contents/MacOS/Skyscraper
 
 unix:supplementary.path=$${PREFIX}/bin
 unix:supplementary.files=\
-  supplementary/scraperdata/check_screenscraper_json_to_idmap.py \
-  supplementary/scraperdata/convert_platforms_json.py \
-  supplementary/scraperdata/peas_and_idmap_verify.py
+  supplementary/scraperdata/deepdiff_peas_jsonfiles.py \
+  supplementary/scraperdata/mdb2sqlite.sh \
+  supplementary/scraperdata/peas_and_idmap_verify.py \
+  supplementary/scraperdata/README-Skyscraper-Scripts.md
 
 unix:config.path=$${PREFIX}/etc/skyscraper
 unix:config.files=aliasMap.csv hints.xml mameMap.csv \

supplementary/scraperdata/README-Skyscraper-Scripts.md

@@ -0,0 +1,14 @@
+# Skyscraper supplementary scrips
+
+You can find additional information in Skyscraper's platform documentation
+(`PLATFORM.md`).
+
+`deepdiff_peas_jsonfiles.py`: Compare and diff output two `peas.json` files.
+
+`mdb2sqlite.sh`: Convert MS Access MDB format to SQLite (only useful for
+GameBase scraper).
+
+`peas_and_idmap_verify.py`: Validate settings in `peas.json` and
+`platforms_idmap.csv` and dump a human readable output.
+
+`README-Skyscraper-Scripts.md`: This file.