chore: add gnoland init #1399

Job	Run time
build (1.20.x, GOARCH=amd64 GOOS=linux, gno)	40s
build (1.20.x, GOARCH=wasm GOOS=js, gno)	43s
build (1.21.x, GOARCH=amd64 GOOS=linux, gno)	46s
build (1.21.x, GOARCH=wasm GOOS=js, gno)	45s
test (1.20.x, _test.cmd)	1m 45s
test (1.20.x, _test.pkg)	1m 11s
test (1.20.x, _test.gnolang.native)	55s
test (1.20.x, _test.gnolang.stdlibs)	2m 4s
test (1.20.x, _test.gnolang.realm)	1m 14s
test (1.20.x, _test.gnolang.pkg0)	2m 22s
test (1.20.x, _test.gnolang.pkg1)	8m 13s
test (1.20.x, _test.gnolang.pkg2)	7m 11s
test (1.20.x, _test.gnolang.other)	1m 12s
test (1.21.x, _test.cmd)	1m 41s
test (1.21.x, _test.pkg)	1m 18s
test (1.21.x, _test.gnolang.native)	58s
test (1.21.x, _test.gnolang.stdlibs)	2m 18s
test (1.21.x, _test.gnolang.realm)	1m 0s
test (1.21.x, _test.gnolang.pkg0)	2m 16s
test (1.21.x, _test.gnolang.pkg1)	9m 59s
test (1.21.x, _test.gnolang.pkg2)	5m 37s
test (1.21.x, _test.gnolang.other)	1m 3s
	55m 11s

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