visidata: add IP type with CIDR + lookups

config/visidata/requirements.txt

@@ -5,10 +5,8 @@
 # Or manually:
 #   python -m pip install --target ~/.visidata/plugins-deps -r requirements.txt
 #
-# Core HTTP / scraping
+# Core HTTP
 requests
-beautifulsoup4
-lxml
 #
 # Data parsing
 PyYAML
@@ -18,4 +16,3 @@ dnspython
 #
 # Enrichment helpers
 mac-vendor-lookup
-virus_total_apis