Initial commit that has most of what I need.

scripts/reset_build.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+set -e
+
+mv -f ./subprojects/packagecache .
+rm -rf subprojects builddir
+mkdir subprojects
+mv packagecache ./subprojects/
+mkdir builddir
+cp *.wrap subprojects
+meson wrap install fmt
+meson wrap install catch2
+meson wrap install ftxui
+meson wrap install nlohmann_json
+meson setup builddir