refactor: Break core package into multiple packages under config/endpoint (#759)

* refactor: Partially break core package into dns, result and ssh packages

* refactor: Move core package to config/endpoint

* refactor: Fix warning about overlapping imported package name with endpoint variable

* refactor: Rename EndpointStatus to Status

* refactor: Merge result pkg back into endpoint pkg, because it makes more sense

* refactor: Rename parameter r to result in Condition.evaluate

* refactor: Rename parameter r to result

* refactor: Revert accidental change to endpoint.TypeDNS

* refactor: Rename parameter r to result

* refactor: Merge util package into endpoint package

* refactor: Rename parameter r to result

storage/store/memory/uptime_bench_test.go

@@ -4,17 +4,17 @@ import (
 	"testing"
 	"time"
 
-	"github.com/TwiN/gatus/v5/core"
+	"github.com/TwiN/gatus/v5/config/endpoint"
 )
 
 func BenchmarkProcessUptimeAfterResult(b *testing.B) {
-	uptime := core.NewUptime()
+	uptime := endpoint.NewUptime()
 	now := time.Now()
 	now = time.Date(now.Year(), now.Month(), now.Day(), now.Hour(), 0, 0, 0, now.Location())
 	// Start 12000 days ago
 	timestamp := now.Add(-12000 * 24 * time.Hour)
 	for n := 0; n < b.N; n++ {
-		processUptimeAfterResult(uptime, &core.Result{
+		processUptimeAfterResult(uptime, &endpoint.Result{
 			Duration:  18 * time.Millisecond,
 			Success:   n%15 == 0,
 			Timestamp: timestamp,