fix: replace Dockerfile and add new configuration files for dev-tools setup

dev-tools/base/entrypoint.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -euo pipefail
+
+rm -f /tools/.ready
+
+mise ls --missing --json | jq -r 'keys[]' | while read -r tool; do
+  mise install "$tool"
+done
+
+mise reshim
+
+uv tool install ansible --with-executables-from ansible-core
+
+chmod -R 755 /tools
+
+touch /tools/.ready
+
+exec "$@"