Fixed issues mentioned in the @systemcrash review

- Reverted formatting fixes where possible
- Clarified the note about updateSearchList()
- Fixed a typo
- Made SUBNET_RANGES example yaml-friendly
- Removed Makefile

util/config.go

@@ -37,7 +37,7 @@ const (
 	DefaultDNS                             = "1.1.1.1"
 	DefaultMTU                             = 1450
 	DefaultPersistentKeepalive             = 15
-	DefaultFirewallMark                    = "0xca6c" // i.e. 51820
+	DefaultFirewallMark                    = "0xca6c"  // i.e. 51820
 	DefaultTable                           = "auto"
 	DefaultConfigFilePath                  = "/etc/wireguard/wg0.conf"
 	UsernameEnvVar                         = "WGUI_USERNAME"

util/util.go

@@ -429,7 +429,7 @@ func findSubnetRangeForIP(cidr string) (uint16, error) {
 			}
 		}
 	}
-	return 0, fmt.Errorf("Subnet range not foud for this IP")
+	return 0, fmt.Errorf("Subnet range not found for this IP")
 }
 
 // FillClientSubnetRange to fill subnet ranges client belongs to, does nothing if SRs are not found