feat: add subscriptions and rework interfaces

Makefile

@@ -1,7 +1,7 @@
 export EV_DATA = mem:
-# export EV_HTTP = :8080
+export EV_HTTP = :8080
 
-run:
+run: gen
 	go run .
 test:
 	go test -cover -race ./...
@@ -9,10 +9,15 @@ test:
 
 GQLDIR=api/gql_ev
 GQLS=$(wildcard $(GQLDIR)/*.go) $(wildcard $(GQLDIR)/*.graphqls) gqlgen.yml
-GQLSRC=internal/ev/graph/generated/generated.go
+GQLSRC=internal/graph/generated/generated.go
 
 gen: gql
 gql: $(GQLSRC)
 $(GQLSRC): $(GQLS)
-	go get github.com/99designs/gqlgen@latest
-	go run github.com/99designs/gqlgen
+ifeq (, $(shell which gqlgen))
+	go install github.com/99designs/gqlgen@latest
+endif
+	gqlgen
+
+load:
+	watch -n .1 "http POST localhost:8080/event/asdf/test a=b one=1 two:='{\"v\":2}' | jq"