feedkit: split the former maximumdirect.net/weatherd project in two.

feedkit now contains a reusable core, while weatherfeeder is a concrete implementation that includes weather-specific functions.

sinks/file.go

@@ -0,0 +1,30 @@
+package sinks
+
+import (
+	"context"
+	"fmt"
+
+	"gitea.maximumdirect.net/ejr/feedkit/config"
+	"gitea.maximumdirect.net/ejr/feedkit/event"
+)
+
+type FileSink struct {
+	name string
+	path string
+}
+
+func NewFileSinkFromConfig(cfg config.SinkConfig) (Sink, error) {
+	path, err := requireStringParam(cfg, "path")
+	if err != nil {
+		return nil, err
+	}
+	return &FileSink{name: cfg.Name, path: path}, nil
+}
+
+func (s *FileSink) Name() string { return s.name }
+
+func (s *FileSink) Consume(ctx context.Context, e event.Event) error {
+	_ = ctx
+	_ = e
+	return fmt.Errorf("file sink: TODO implement (path=%s)", s.path)
+}