Restructure device tree and remove soc server (evcc-io#1060)

Author: andig

Makefile

@@ -102,13 +102,4 @@ image-update:
 
 soc:
 	@echo Version: $(VERSION) $(BUILD_DATE)
-	go build -o evcc-soc $(BUILD_TAGS) $(BUILD_ARGS) github.com/andig/evcc/soc/client
-
-server:
-	@echo Version: $(VERSION) $(BUILD_DATE)
-	go build -o soc-server $(BUILD_TAGS) $(BUILD_ARGS) github.com/andig/evcc/soc/server
-
-publish-server:
-	GOOS=linux GOARCH=amd64 go build -o soc-server $(BUILD_TAGS) $(BUILD_ARGS) github.com/andig/evcc/soc/server
-	docker build -f soc/Dockerfile --platform linux/amd64 -t andig/evcc-cloud .
-	docker push andig/evcc-cloud
+	go build -o evcc-soc $(BUILD_TAGS) $(BUILD_ARGS) github.com/andig/evcc/cmd/soc

api/plugin.go

@@ -0,0 +1,4 @@
+package api
+
+// Custom meter/charger/vehicle type
+const Custom = "custom"

soc/proto/auth.proto api/proto/auth.protosoc/proto/auth.proto renamed to api/proto/auth.proto

@@ -4,7 +4,6 @@ import (
 	"fmt"
 
 	"github.com/andig/evcc/api"
-	"github.com/andig/evcc/internal"
 	"github.com/andig/evcc/provider"
 	"github.com/andig/evcc/util"
 )
@@ -19,7 +18,7 @@ type Charger struct {
 
 func init() {
 	registry.Add("default", NewConfigurableFromConfig)
-	registry.Add(internal.Custom, NewConfigurableFromConfig)
+	registry.Add(api.Custom, NewConfigurableFromConfig)
 }
 
 // NewConfigurableFromConfig creates a new configurable charger