add first ical implementation

service/ical/icalModel.go

@@ -0,0 +1,24 @@
+package ical
+
+import (
+	"htwk-planner/model"
+	"time"
+)
+
+// FeedModel is an iCal feed
+type FeedModel struct {
+	Content   string
+	ExpiresAt time.Time
+}
+
+// Entry is a time entry
+type Entry struct {
+	DateStart   time.Time `json:"dateStart"`
+	DateEnd     time.Time `json:"dateEnd"`
+	Description string    `json:"description"`
+}
+
+// Entries is a collection of entries
+type Entries []*Entry
+
+type Events []*model.Event