chore: rename module from torrentclaw-cli to unarr

- Rename Go module path github.com/torrentclaw/torrentclaw-cli → github.com/torrentclaw/unarr
- Update all imports, ldflags, scripts, docs, and Docker config
- Add GitHub Actions release workflow (goreleaser on tag push)

internal/usenet/download/downloader.go

@@ -12,9 +12,9 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/torrentclaw/torrentclaw-cli/internal/usenet/nntp"
-	"github.com/torrentclaw/torrentclaw-cli/internal/usenet/nzb"
-	"github.com/torrentclaw/torrentclaw-cli/internal/usenet/yenc"
+	"github.com/torrentclaw/unarr/internal/usenet/nntp"
+	"github.com/torrentclaw/unarr/internal/usenet/nzb"
+	"github.com/torrentclaw/unarr/internal/usenet/yenc"
 )
 
 // Progress is emitted during download.

internal/usenet/download/e2e_test.go

@@ -8,10 +8,10 @@ import (
 	"testing"
 	"time"
 
-	"github.com/torrentclaw/torrentclaw-cli/internal/usenet/download"
-	"github.com/torrentclaw/torrentclaw-cli/internal/usenet/nntp"
-	"github.com/torrentclaw/torrentclaw-cli/internal/usenet/nzb"
-	"github.com/torrentclaw/torrentclaw-cli/internal/usenet/postprocess"
+	"github.com/torrentclaw/unarr/internal/usenet/download"
+	"github.com/torrentclaw/unarr/internal/usenet/nntp"
+	"github.com/torrentclaw/unarr/internal/usenet/nzb"
+	"github.com/torrentclaw/unarr/internal/usenet/postprocess"
 )
 
 // TestE2EDownload is a real end-to-end test that downloads from Usenet.

internal/usenet/download/progress.go

@@ -11,7 +11,7 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/torrentclaw/torrentclaw-cli/internal/usenet/nzb"
+	"github.com/torrentclaw/unarr/internal/usenet/nzb"
 )
 
 // Binary progress file format:

internal/usenet/download/progress_test.go

@@ -8,7 +8,7 @@ import (
 
 	"time"
 
-	"github.com/torrentclaw/torrentclaw-cli/internal/usenet/nzb"
+	"github.com/torrentclaw/unarr/internal/usenet/nzb"
 )
 
 var fixedPast = time.Now().Add(-30 * 24 * time.Hour)