chore: add rockspec for v0.1.0-6 and fix version field

Author: goldenstein64

rockspec/luarocks-build-lls-addon-0.1.0-6.rockspec

@@ -0,0 +1,27 @@
+rockspec_format = "3.0"
+package = "luarocks-build-lls-addon"
+version = "0.1.0-6"
+
+local source_url = ("https://github.com/LuaLS/luarocks-build-addon/archive/v%s/luarocks-build-addon-%s.zip"):format(
+	version,
+	version
+)
+local source_dir = ("luarocks-build-addon-%s"):format(version)
+
+source = {
+	url = source_url,
+	dir = source_dir,
+}
+description = {
+	summary = "A build backend for LuaRocks that installs LuaLS addons",
+	homepage = "https://github.com/LuaLS/luarocks-build-addon",
+	license = "MIT",
+}
+
+test_dependencies = {
+	"luarocks >= 3.11.1",
+	"busted ~> 2.2",
+	"luafilesystem ~> 1.8",
+	"inspect ~> 3.1",
+	"md5 ~> 1.3",
+}