Toolmate

* added support of using Grop cloud API keys for running tool `perplexica`

* fixed loading agents with Ollama and Llama.cpp

* updated groqchat

* fixed reflection tools

* automatically saved workflow with `save`, `save as`, and `export`

* added ".workflow" to display the current workflow

* added ".shareworkflow" to share the current workflow on Android

* action item ".workflow" in action menu to display current workflow

* added support of single-turn system message for chat conversation

* integrated predefined chat system messages and contexts with tool `chat`

* added commentary suggestions