feat: more clear definition and first base implementation for lua

Co-authored-by: Copilot <copilot@github.com>

config/config.exs

@@ -12,6 +12,13 @@ config :bds, BDS.Repo,
 config :bds, BDS.Application,
   desktop_adapter: :pending_selection
 
+config :bds, :scripting,
+  runtime: BDS.Scripting.Lua,
+  timeout: 300_000,
+  max_reductions: 5_000_000,
+  job_timeout: :infinity,
+  job_max_reductions: :none
+
 config :logger, :console,
   format: "$time $metadata[$level] $message\n",
   metadata: [:request_id]