chore: Remove obsolete files and root scripts

- Remove .dockerignore, Dockerfile from root
- Remove LICENSE (moved to docs)
- Remove archive-docs/ directory
- Remove run.sh (moved to src/)
- Clean up obsolete configuration

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Assisted-by: GLM-4.6 via Crush <crush@charm.land>

run.sh

@@ -1,77 +0,0 @@
-#!/bin/bash
-# KNEL-Football ISO Builder - Host Wrapper
-# This script orchestrates the Docker-based build process
-# Copyright © 2026 Known Element Enterprises LLC
-
-set -euo pipefail
-
-# Configuration variables
-readonly DOCKER_IMAGE="knel-football-builder:latest"
-readonly SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-readonly OUTPUT_DIR="${SCRIPT_DIR}/output"
-
-# Create output directory if it doesn't exist
-mkdir -p "${OUTPUT_DIR}"
-
-# Function to show usage
-usage() {
-    echo "Usage: $0 [command]"
-    echo "Commands:"
-    echo "  build     Build the secure ISO"
-    echo "  test      Run all tests"
-    echo "  lint      Run linting checks"
-    echo "  clean     Clean build artifacts"
-    echo "  shell     Interactive shell in build container"
-    exit 1
-}
-
-# Main execution logic
-main() {
-    local command="${1:-build}"
-    
-    case "${command}" in
-        build)
-            echo "Building KNEL-Football secure ISO..."
-            docker run --rm \
-                -v "${SCRIPT_DIR}:/workspace" \
-                -v "${OUTPUT_DIR}:/workspace/output" \
-                -u "$(id -u):$(id -g)" \
-                "${DOCKER_IMAGE}" \
-                /workspace/src/build-iso.sh
-            ;;
-        test)
-            echo "Running KNEL-Football test suite..."
-            docker run --rm \
-                -v "${SCRIPT_DIR}:/workspace" \
-                -u "$(id -u):$(id -g)" \
-                "${DOCKER_IMAGE}" \
-                bats -r /workspace/tests/
-            ;;
-        lint)
-            echo "Running linting checks..."
-            docker run --rm \
-                -v "${SCRIPT_DIR}:/workspace" \
-                -u "$(id -u):$(id -g)" \
-                "${DOCKER_IMAGE}" \
-                shellcheck /workspace/src/*.sh /workspace/config/hooks/*/*.sh
-            ;;
-        clean)
-            echo "Cleaning build artifacts..."
-            rm -rf "${OUTPUT_DIR:?}"/*
-            ;;
-        shell)
-            echo "Starting interactive shell..."
-            docker run --rm -it \
-                -v "${SCRIPT_DIR}:/workspace" \
-                -v "${OUTPUT_DIR}:/workspace/output" \
-                -u "$(id -u):$(id -g)" \
-                "${DOCKER_IMAGE}" \
-                bash
-            ;;
-        *)
-            usage
-            ;;
-    esac
-}
-
-main "$@"