pacakge: add v2dat from sbwml/luci-app-mosdns

* V2ray geo/ip data unpack tools

utils/v2dat/Makefile

+#
+# Copyright (C) 2015-2016 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v3.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=v2dat
+PKG_SOURCE_DATE:=2022-12-15
+PKG_SOURCE_VERSION:=47b8ee51fb528e11e1a83453b7e767a18d20d1f7
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_SOURCE_DATE).tar.gz
+PKG_SOURCE_URL:=https://codeload.github.com/urlesistiana/v2dat/tar.gz/$(PKG_SOURCE_VERSION)?
+PKG_HASH:=dca45a31006aca3dba5f543f6990ca755ffb2bde8e533cc2bbe6bac9ec12f157
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_SOURCE_VERSION)
+
+PKG_LICENSE:=GPL-3.0
+PKG_LICENSE_FILE:=LICENSE
+PKG_MAINTAINER:=sbwml <admin@cooluc.com>
+
+PKG_BUILD_DEPENDS:=golang/host
+PKG_BUILD_PARALLEL:=1
+
+GO_PKG:=github.com/urlesistiana/v2dat
+
+include $(INCLUDE_DIR)/package.mk
+include ../../lang/golang/golang-package.mk
+
+define Package/v2dat
+  SECTION:=utils
+  CATEGORY:=Utilities
+  TITLE:=V2ray geo/ip data unpack tools
+  URL:=https://github.com/urlesistiana/v2dat
+  DEPENDS:=$(GO_ARCH_DEPENDS)
+endef
+
+GO_PKG_TARGET_VARS:=$(filter-out CGO_ENABLED=%,$(GO_PKG_TARGET_VARS)) CGO_ENABLED=0
+
+define Package/v2dat/install
+	$(call GoPackage/Package/Install/Bin,$(1))
+endef
+
+$(eval $(call GoBinPackage,v2dat))
+$(eval $(call BuildPackage,v2dat))