Model Context Protocol (MCP) support with new use case (#42)

* initial mcp

* food ordering with mcp

* prompt eng

* splitting out goals and updating docs

* a diff so I can get tests from codex

* a diff so I can get tests from codex

* oops, missing files

* tests, file formatting

* readme and setup updates

* setup.md link fixes

* readme change

* readme change

* readme change

* stripe food setup script

* single agent mode default

* prompt engineering for better multi agent performance

* performance should be greatly improved

* Update goals/finance.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update activities/tool_activities.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* co-pilot PR suggested this change, and now fixed it

* stronger wording around json format response

* formatting

* moved docs to dir

* moved image assets under docs

* cleanup env example, stripe guidance

* cleanup

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

docs/README.md

@@ -0,0 +1,10 @@
+# Documentation Index
+
+- **architecture.md** - Overview of system components and how they interact.
+- **architecture-decisions.md** - Rationale behind key design choices.
+- **changelog.md** - Project history and notable changes.
+- **contributing.md** - How to contribute and run tests.
+- **setup.md** - Installation and configuration instructions.
+- **testing.md** - Commands for running the test suite.
+- **adding-goals-and-tools.md** - Guide to extending the agent with new goals and tools.
+- **todo.md** - Planned enhancements and future work.