make it work for my tram board

adds webserer with endpoint /line?number=3

you need to specify a post body text using b64-encoded, semicolon-separated names of the stops

index of stop name corresponds to returned value (led index)

internal/timetable/trips.go

@@ -0,0 +1,34 @@
+package timetable
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/http"
+	"shellixa/puvetra/internal/types"
+)
+
+func GetTrip(tripId string) types.Trip {
+	client := http.Client{}
+	url := fmt.Sprintf("https://api.transitous.org/api/v6/trip?tripId=%s", tripId)
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	response, err := client.Do(req)
+
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	defer response.Body.Close()
+
+	var trip types.Trip
+	if err := json.NewDecoder(response.Body).Decode(&trip); err != nil {
+		log.Fatal(err)
+	}
+
+	return trip
+
+}