feat: simple toplevel build script

deprecates fsfe-build from fsfe-local-build

build.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+usage() {
+    echo "Usage: $0 -f|--full" 1>&2
+    exit 1
+}
+command="build_run"
+while [ "$#" -gt 0 ]; do
+    case "$1" in
+    --full | -f)
+        command="build_into" && shift 1
+        ;;
+    *)
+        usage
+        ;;
+    esac
+done
+./build/build_main.sh "$command" ./output/final --statusdir ./output/final/status.fsfe.org/fsfe.org/data