feat: updated docs and added description to files

Backend/helper/time_test.go

@@ -132,41 +132,3 @@ func TestFormatGermanDayOfWeek(t *testing.T) {
 		})
 	}
 }
-
-func TestGetKW(t *testing.T) {
-	tests := []struct {
-		name string
-		date time.Time
-		want int
-	}{
-		{
-			name: "First week of year",
-			date: time.Date(2023, 1, 2, 0, 0, 0, 0, time.UTC), // Monday
-			want: 1,
-		},
-		{
-			name: "Middle of year",
-			date: time.Date(2023, 6, 15, 0, 0, 0, 0, time.UTC),
-			want: 24,
-		},
-		{
-			name: "Last week of year",
-			date: time.Date(2023, 12, 31, 0, 0, 0, 0, time.UTC),
-			want: 52,
-		},
-		{
-			name: "ISO week crossing into next year",
-			date: time.Date(2020, 12, 31, 0, 0, 0, 0, time.UTC),
-			want: 53,
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			got := GetKW(tt.date)
-			if got != tt.want {
-				t.Errorf("GetKW(%v) = %d, want %d", tt.date, got, tt.want)
-			}
-		})
-	}
-}