feat(functions/aio): all-in-one images, function template enhancements (#1862)

* feat(startup): allow to specify models from local files

* feat(aio): add Dockerfile, make targets, aio profiles

* feat(template): add Function and LastMessage

* add hermes2-pro-mistral

* update hermes2 definition

* feat(template): add sprig

* feat(template): expose FunctionCall

* feat(aio): switch llm for text

aio/cpu/text-to-text.yaml

@@ -0,0 +1,22 @@
+name: gpt-3.5-turbo
+context_size: 2048
+f16: true
+gpu_layers: 90
+mmap: true
+trimsuffix: 
+- "\n"
+parameters:
+  model: huggingface://TheBloke/phi-2-GGUF/phi-2.Q8_0.gguf
+
+template:
+  chat: &template |-
+    Instruct: {{.Input}}
+    Output:
+  completion: *template
+
+usage: |
+      To use this model, interact with the API (in another terminal) with curl for instance:
+      curl http://localhost:8080/v1/chat/completions -H "Content-Type: application/json" -d '{
+          "model": "phi-2",
+          "messages": [{"role": "user", "content": "How are you doing?", "temperature": 0.1}]
+      }'