Build and smoke-test AutoLibrary as a container

.dockerignore

@@ -0,0 +1,18 @@
+**
+!go.mod
+!go.sum
+!webserver.go
+!backend/
+!backend/**
+!cli/
+!cli/**
+!config/
+!config/**
+!frontend/
+!frontend/**
+!utils/
+!utils/**
+backend/data/
+frontend/node_modules/
+frontend/dist/
+frontend/.env*