visidata: add IP type with CIDR + lookups

config/visidata/plugins/__init__.py

@@ -0,0 +1,19 @@
+"""
+Local VisiData plugins.
+
+VisiData (v3.3) imports the top-level `plugins` package early (before config.py)
+when `options.imports` contains "plugins" (default). Import submodules here so
+their commands/types are registered on startup.
+"""
+
+# Keep imports resilient: a missing optional plugin shouldn't prevent VisiData from starting.
+for _mod in (
+    "hidecol",
+    "iptype",
+):
+    try:
+        __import__(f"{__name__}.{_mod}")
+    except Exception:
+        # VisiData will show exceptions in its error sheet if needed; don't hard-fail here.
+        pass
+