Add plugins (#27)

plugins/wasm-cpp/WORKSPACE

@@ -0,0 +1,55 @@
+workspace(name = "istio_ecosystem_wasm_extensions")
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+load("//bazel:third_party.bzl", "wasm_extension_dependency")
+
+wasm_extension_dependency()
+
+load(
+    "@io_bazel_rules_docker//repositories:repositories.bzl",
+    container_repositories = "repositories",
+)
+
+container_repositories()
+
+load("@io_bazel_rules_docker//repositories:deps.bzl", container_deps = "deps")
+
+container_deps()
+
+PROXY_WASM_CPP_SDK_SHA = "fd0be8405db25de0264bdb78fae3a82668c03782"
+
+PROXY_WASM_CPP_SDK_SHA256 = "c57de2425b5c61d7f630c5061e319b4557ae1f1c7526e5a51c33dc1299471b08"
+
+http_archive(
+    name = "proxy_wasm_cpp_sdk",
+    sha256 = PROXY_WASM_CPP_SDK_SHA256,
+    strip_prefix = "proxy-wasm-cpp-sdk-" + PROXY_WASM_CPP_SDK_SHA,
+    url = "https://github.com/proxy-wasm/proxy-wasm-cpp-sdk/archive/" + PROXY_WASM_CPP_SDK_SHA + ".tar.gz",
+)
+
+load("@proxy_wasm_cpp_sdk//bazel/dep:deps.bzl", "wasm_dependencies")
+
+wasm_dependencies()
+
+load("@proxy_wasm_cpp_sdk//bazel/dep:deps_extra.bzl", "wasm_dependencies_extra")
+
+wasm_dependencies_extra()
+
+load("@istio_ecosystem_wasm_extensions//bazel:wasm.bzl", "wasm_libraries")
+
+wasm_libraries()
+
+# To import proxy wasm cpp host, which will be used in unit testing.
+load("@proxy_wasm_cpp_host//bazel:repositories.bzl", "proxy_wasm_cpp_host_repositories")
+
+proxy_wasm_cpp_host_repositories()
+
+load("@proxy_wasm_cpp_host//bazel:dependencies.bzl", "proxy_wasm_cpp_host_dependencies")
+
+proxy_wasm_cpp_host_dependencies()
+
+http_archive(
+    name = "bazel_compdb",
+    strip_prefix = "bazel-compilation-database-0.5.2",
+    urls = ["https://github.com/grailbio/bazel-compilation-database/archive/0.5.2.tar.gz"],
+)