feat: Support config files with viper (#4558)

coderd/deploymentconfig.go

@@ -0,0 +1,17 @@
+package coderd
+
+import (
+	"net/http"
+
+	"github.com/coder/coder/coderd/httpapi"
+	"github.com/coder/coder/coderd/rbac"
+)
+
+func (api *API) deploymentConfig(rw http.ResponseWriter, r *http.Request) {
+	if !api.Authorize(r, rbac.ActionRead, rbac.ResourceDeploymentConfig) {
+		httpapi.Forbidden(rw)
+		return
+	}
+
+	httpapi.Write(r.Context(), rw, http.StatusOK, api.DeploymentConfig)
+}