Refactor example into main dir

example/proto/routeguide/BUILD.bazel

diff --git a/example/proto/routeguide/BUILD.bazel b/example/proto/routeguide/BUILD.bazel
index 590ef6f..40968bb 100644
--- a/example/proto/routeguide/BUILD.bazel
+++ b/example/proto/routeguide/BUILD.bazel
@@ -4,6 +4,7 @@
     srcs = [
         "routeguide.proto",
     ],
+    visibility = ["//visibility:public"],
 )
 
 java_proto_library(
@@ -19,21 +20,3 @@
         "proto_library",
     ],
 )
-
-load("@//py:rules.bzl", "py_proto_compile")
-py_proto_compile(
-    name = "py_proto_compile",
-    deps = [
-        "proto_library",
-    ],
-    has_services = True,
-)
-
-load("@//node:rules.bzl", "node_proto_compile")
-node_proto_compile(
-    name = "node_proto_compile",
-    deps = [
-        "proto_library",
-    ],
-    has_services = True,
-)
\ No newline at end of file

node/example/proto/BUILD.bazel

diff --git a/node/example/proto/BUILD.bazel b/node/example/proto/BUILD.bazel
new file mode 100644
index 0000000..c014c5e
--- /dev/null
+++ b/node/example/proto/BUILD.bazel
@@ -0,0 +1,11 @@
+
+
+load("@//node:rules.bzl", "node_proto_compile")
+
+node_proto_compile(
+    name = "routeguide",
+    deps = [
+        "@//example/proto/routeguide:proto_library",
+    ],
+    has_services = True,
+)
\ No newline at end of file

py/example/proto/BUILD.bazel

diff --git a/py/example/proto/BUILD.bazel b/py/example/proto/BUILD.bazel
new file mode 100644
index 0000000..96ade88
--- /dev/null
+++ b/py/example/proto/BUILD.bazel
@@ -0,0 +1,11 @@
+
+
+load("@//python:rules.bzl", "py_proto_compile")
+
+py_proto_compile(
+    name = "routeguide",
+    deps = [
+        "@//example/proto/routeguide:proto_library",
+    ],
+    has_services = True,
+)
\ No newline at end of file