chore(nightscout): add all object properties

docs/docs/segment_nightscout.md

@@ -79,7 +79,16 @@ if that color is visible against any of your backgrounds.
 
 ## Template Properties
 
+- .ID: `string` - The internal ID of the object
 - .Sgv: `int` - Your Serum Glucose Value (your sugar)
+- .Date: `int` - The unix timestamp of the entry
+- .DateString: `time` - The timestamp of the entry
+- .Trend: `int` - The trend of the entry
+- .Device: `string` - The device linked to the entry
+- .Type: `string` - The type of the entry
+- .UtcOffset: `int` - The UTC offset
+- .SysTime: `time` - The time on the system
+- .Mills: `int` - The amount of mills
 - .TrendIcon: `string` - By default, this will be something like ↑↑ or ↘ etc but you can
   override them with any glpyh as seen above
 

src/segment_nightscout.go

@@ -3,6 +3,7 @@ package main
 import (
 	"encoding/json"
 	"errors"
+	"time"
 )
 
 // segment struct, makes templating easier
@@ -31,8 +32,17 @@ const (
 
 // NightscoutData struct contains the API data
 type NightscoutData struct {
-	Sgv       int64  `json:"sgv"`
-	Direction string `json:"direction"`
+	ID         string    `json:"_id"`
+	Sgv        int       `json:"sgv"`
+	Date       int64     `json:"date"`
+	DateString time.Time `json:"dateString"`
+	Trend      int       `json:"trend"`
+	Direction  string    `json:"direction"`
+	Device     string    `json:"device"`
+	Type       string    `json:"type"`
+	UtcOffset  int       `json:"utcOffset"`
+	SysTime    time.Time `json:"sysTime"`
+	Mills      int64     `json:"mills"`
 }
 
 func (ns *nightscout) enabled() bool {