switch to std http implementation instead of fasthttp (#106)

close #100
close #109
close #113
close #28
close #63

Reviewed-on: https://codeberg.org/Codeberg/pages-server/pulls/106

server/dns/const.go

@@ -1,6 +0,0 @@
-package dns
-
-import "time"
-
-// lookupCacheTimeout specifies the timeout for the DNS lookup cache.
-var lookupCacheTimeout = 15 * time.Minute

server/dns/dns.go

@@ -3,10 +3,14 @@ package dns
 import (
 	"net"
 	"strings"
+	"time"
 
 	"codeberg.org/codeberg/pages/server/cache"
 )
 
+// lookupCacheTimeout specifies the timeout for the DNS lookup cache.
+var lookupCacheTimeout = 15 * time.Minute
+
 // GetTargetFromDNS searches for CNAME or TXT entries on the request domain ending with MainDomainSuffix.
 // If everything is fine, it returns the target data.
 func GetTargetFromDNS(domain, mainDomainSuffix string, dnsLookupCache cache.SetGetKey) (targetOwner, targetRepo, targetBranch string) {