chore: enable webp support

go.mod

@@ -8,6 +8,7 @@ require (
 	github.com/a-h/templ v0.3.977
 	github.com/alicebob/miniredis/v2 v2.36.1
 	github.com/gomarkdown/markdown v0.0.0-20260217112301-37c66b85d6ab
+	github.com/sethvargo/go-envconfig v1.3.0
 	github.com/studio-b12/gowebdav v0.12.0
 	github.com/valkey-io/valkey-go v1.0.72
 	golang.org/x/image v0.36.0
@@ -20,11 +21,9 @@ require (
 	github.com/cli/browser v1.3.0 // indirect
 	github.com/fatih/color v1.16.0 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
-	github.com/joho/godotenv v1.5.1 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/natefinch/atomic v1.0.1 // indirect
-	github.com/sethvargo/go-envconfig v1.3.0 // indirect
 	github.com/yuin/gopher-lua v1.1.1 // indirect
 	golang.org/x/mod v0.26.0 // indirect
 	golang.org/x/net v0.48.0 // indirect