Add component table plugin for KiCad PCB editor

Shows a sortable table of all board components with columns for
designation, value, library, package, and sheet instance.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

local-deploy.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+set -e
+
+PLUGIN_NAME='component_table'
+PLUGIN_SRC="$(realpath plugins/$PLUGIN_NAME)"
+KICAD_PLUGINS=~/.local/share/kicad/9.0/scripting/plugins
+
+ln -sf "$PLUGIN_SRC" "$KICAD_PLUGINS/$PLUGIN_NAME"
+echo "Linked $PLUGIN_SRC -> $KICAD_PLUGINS/$PLUGIN_NAME"