create functional test, integrate into workflow #35

Job	Run time
Functional tests	6s
Build for openwrt-24.10 / arm_cortex-a9	4m 19s
Build for openwrt-24.10 / aarch64_cortex-a53	4m 35s
Build for openwrt-25.12 / x86_64	3m 25s
Build for openwrt-24.10 / aarch64_generic	4m 47s
Build for openwrt-24.10 / mips_24kc	4m 5s
Build for openwrt-24.10 / x86_64	4m 30s
Build for openwrt-24.10 / arm_cortex-a7	4m 21s
Build for openwrt-25.12 / mips_24kc	3m 42s
Build for openwrt-25.12 / mipsel_24kc	3m 44s
Build for openwrt-25.12 / aarch64_cortex-a53	4m 4s
Build for openwrt-25.12 / arm_cortex-a9	3m 40s
Build for openwrt-25.12 / arm_cortex-a7	3m 48s
Build for openwrt-25.12 / aarch64_generic	4m 3s
Build for openwrt-24.10 / mipsel_24kc	3m 58s
Release mossdef-org/https-dns-proxy	9s
	57m 16s

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