fix wrong git ignore

internal/pdf/model/fonts/font.go

@@ -0,0 +1,18 @@
+package fonts
+
+import (
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/model/textencoding"
+)
+
+type Font interface {
+	SetEncoder(encoder textencoding.TextEncoder)
+	GetGlyphCharMetrics(glyph string) (CharMetrics, bool)
+	ToPdfObject() core.PdfObject
+}
+
+type CharMetrics struct {
+	GlyphName string
+	Wx        float64
+	Wy        float64
+}