Created filegroups for all async BUILD files (#126)

Author: Kelwan

reference/async_reference/BUILD.bazel

@@ -39,3 +39,19 @@ cc_library(
         "//:async",
     ],
 )
+
+filegroup(
+    name = "sources",
+    srcs = glob([
+        "**/*.cc",
+        "**/*.hh",
+    ]) + [
+        "//reference/async_reference/callbacks:callback_source",
+        "//reference/async_reference/detail/c_execution_options:c_execution_source",
+        "//reference/async_reference/entity_manager:entity_source",
+        "//reference/async_reference/tick_manager:tick_source",
+        "//reference/async_reference/util:util_source",
+        "//reference/serialize_reference:serialize_source",
+    ],
+    visibility = ["//visibility:public"],
+)

reference/async_reference/callbacks/BUILD.bazel

@@ -30,3 +30,14 @@ cc_library(
         "//reference/async_reference/util:types",
     ],
 )
+
+filegroup(
+    name = "callback_source",
+    srcs = glob([
+        "**/*.hh",
+        "**/*.cc",
+    ]),
+    visibility = [
+        "//reference/async_reference:__pkg__",
+    ],
+)

reference/async_reference/detail/c_execution_options/BUILD.bazel

@@ -15,3 +15,14 @@ cc_library(
         "//:core",
     ],
 )
+
+filegroup(
+    name = "c_execution_source",
+    srcs = glob([
+        "**/*.hh",
+        "**/*.cc",
+    ]),
+    visibility = [
+        "//reference/async_reference:__pkg__",
+    ],
+)

reference/async_reference/entity_manager/BUILD.bazel

@@ -16,3 +16,14 @@ cc_library(
         "//reference/async_reference/util:types",
     ],
 )
+
+filegroup(
+    name = "entity_source",
+    srcs = glob([
+        "**/*.hh",
+        "**/*.cc",
+    ]),
+    visibility = [
+        "//reference/async_reference:__pkg__",
+    ],
+)

reference/async_reference/tick_manager/BUILD.bazel

@@ -12,3 +12,14 @@ cc_library(
         "//reference/async_reference/util:types",
     ],
 )
+
+filegroup(
+    name = "tick_source",
+    srcs = glob([
+        "**/*.hh",
+        "**/*.cc",
+    ]),
+    visibility = [
+        "//reference/async_reference:__pkg__",
+    ],
+)

reference/async_reference/util/BUILD.bazel

@@ -33,3 +33,14 @@ cc_library(
         "//:core",
     ],
 )
+
+filegroup(
+    name = "util_source",
+    srcs = glob([
+        "**/*.hh",
+        "**/*.cc",
+    ]),
+    visibility = [
+        "//reference/async_reference:__pkg__",
+    ],
+)

reference/serialize_reference/BUILD.bazel

@@ -13,3 +13,14 @@ cc_library(
         "//:serialize",
     ],
 )
+
+filegroup(
+    name = "serialize_source",
+    srcs = glob([
+        "**/*.cc",
+        "**/*.hh",
+    ]),
+    visibility = [
+        "//reference/async_reference:__pkg__",
+    ],
+)