Manually add React-bridging.podspec.json

The file was automatically deleted via the generate-podspecs.sh script. It has been manually added as a temporary measure, to enable further testing.

third-party-podspecs/React-bridging.podspec.json

@@ -0,0 +1,35 @@
+{
+    "name": "React-bridging",
+    "version": "0.71.11",
+    "summary": "-",
+    "homepage": "https://reactnative.dev/",
+    "license": "MIT",
+    "authors": "Facebook, Inc. and its affiliates",
+    "platforms": {
+      "ios": "12.4"
+    },
+    "source": {
+      "git": "https://github.com/facebook/react-native.git",
+      "tag": "v0.71.11"
+    },
+    "source_files": "react/bridging/**/*.{cpp,h}",
+    "exclude_files": "react/bridging/tests",
+    "header_dir": "react/bridging",
+    "header_mappings_dir": ".",
+    "compiler_flags": "-DFOLLY_NO_CONFIG -DFOLLY_MOBILE=1 -DFOLLY_USE_LIBCPP=1 -Wno-comma -Wno-shorten-64-to-32",
+    "pod_target_xcconfig": {
+      "HEADER_SEARCH_PATHS": "\"$(PODS_ROOT)/RCT-Folly\"",
+      "USE_HEADERMAP": "YES",
+      "CLANG_CXX_LANGUAGE_STANDARD": "c++17"
+    },
+    "dependencies": {
+      "RCT-Folly": [
+        "2021.07.22.00"
+      ],
+      "React-jsi": [
+        "0.71.11"
+      ]
+    },
+    "prepare_command": "TMP_DIR=$(mktemp -d); mv * $TMP_DIR; cp -R \"$TMP_DIR/ReactCommon\"/* . && true",
+    "__WARNING!__": "This file is autogenerated by generate-podspecs.sh script. Do not modify manually. Re-run the script if necessary."
+  }