i2pd: add runit service and system user (#6071)

i2pd: add runit service and system user

srcpkgs/i2pd/files/i2pd/run

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+if [ ! -d /var/lib/i2pd ]; then
+    mkdir -p /var/lib/i2pd
+    chown -R  _i2pd:_i2pd /var/lib/i2pd
+fi
+exec chpst -u _i2pd:_i2pd i2pd --service 2>&1

srcpkgs/i2pd/template

@@ -11,6 +11,7 @@ maintainer="Obosob <obosob@riseup.net>"
 makedepends="zlib-devel boost-devel libressl-devel miniupnpc-devel"
 distfiles="https://github.com/PurpleI2P/i2pd/archive/${version}.tar.gz"
 checksum=4d7946e33a6a1dd4439590ea23b494f36e6fbcb81f7b36857bf264413a19e9db
+system_accounts="_i2pd"
 
 case "${XBPS_TARGET_MACHINE}" in
 	aarch64*) make_build_args+=" USE_AESNI=no USE_AVX=no" ;;
@@ -25,3 +26,6 @@ do_install() {
 	vsconf docs/subscriptions.txt
 	vlicense LICENSE
 }
+post_install() {
+	vsv i2pd
+}