Add BUILD file to build the Obj-C part

Author: thii

OHHTTPStubs/Sources/BUILD

@@ -0,0 +1,27 @@
+_PUBLIC_HEADERS = [
+    "Compatibility.h",
+    "JSON/OHHTTPStubsResponse+JSON.h",
+    "NSURLSession/NSURLRequest+HTTPBodyTesting.h",
+    "OHHTTPStubs.h",
+    "OHHTTPStubsResponse.h",
+    "OHPathHelpers/OHPathHelpers.h",
+]
+
+objc_library(
+    name = "OHHTTPStubs",
+    srcs = glob(
+        [
+            "**/*.h",
+            "**/*.m",
+        ],
+        exclude = _PUBLIC_HEADERS,
+    ),
+    hdrs = _PUBLIC_HEADERS,
+    includes = [
+        ".",
+        "HTTPMessage",
+        "JSON",
+        "NSURLSession",
+        "OHPathHelpers",
+    ],
+)