move models into model folder. Some models not moved due to local type.

internal/model/paper.go

@@ -0,0 +1,40 @@
+package model
+
+import "time"
+
+type PaperMissionTimetable struct {
+	Start time.Time
+	End   time.Time
+}
+
+type PaperMissionData struct {
+	Unk0            uint8
+	Unk1            uint8
+	Unk2            int16
+	Reward1ID       uint16
+	Reward1Quantity uint8
+	Reward2ID       uint16
+	Reward2Quantity uint8
+}
+
+type PaperMission struct {
+	Timetables []PaperMissionTimetable
+	Data       []PaperMissionData
+}
+
+type PaperData struct {
+	Unk0 uint16
+	Unk1 int16
+	Unk2 int16
+	Unk3 int16
+	Unk4 int16
+	Unk5 int16
+	Unk6 int16
+}
+
+type PaperGift struct {
+	Unk0 uint16
+	Unk1 uint8
+	Unk2 uint8
+	Unk3 uint16
+}