function deploy flow (#16)

Author: dmikey

docs/function_deployment_flow.md

@@ -0,0 +1,13 @@
+```mermaid
+sequenceDiagram
+    participant User
+    participant RPC
+    participant Worker1
+    participant Worker2
+    User->>RPC: Request deployment with requirements
+    RPC->>Worker1: Broadcast Pub/Sub event to deploy
+    RPC->>Worker2: Broadcast Pub/Sub event to deploy
+    Worker1->>RPC: Install WASM file and respond ready
+    Worker2->>RPC: Install WASM file and respond ready
+    RPC->>User: Deployment requirements met, respond ready
+```