Added log/slog adapter package

README.md

@@ -1,3 +1,33 @@
 # journal
 
-Native Go output to the systemd journal socket.
+Native Go output to the [systemd journal socket](https://systemd.io/JOURNAL_NATIVE_PROTOCOL/).
+See package `journslog` for a [`log/slog`](https://pkg.go.dev/log/slog) adapter.
+
+Quick start:
+
+```go
+import "src.lwithers.me.uk/go/journal"
+
+func main() {
+    journal.Entry(journal.PriInfo, "hello, world", nil)
+}
+```
+
+The `log/slog` adapter:
+
+```go
+import (
+    "log/slog"
+
+    "src.lwithers.me.uk/go/journal/journslog"
+)
+
+func main() {
+    h, err := journslog.NewHandler()
+    if err != nil {
+        panic(err)
+    }
+    slog.SetDefault(slog.New(h))
+    slog.Info("hello, world", "attr", "value")
+}
+```