[Linux] Initial implementation of fabric-bridge for fabric sync (#33284)

* Initial implementation of fabric-bridge

* Update examples/fabric-bridge-app/linux/ActionsServerCallbacks.cpp

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

* Address review comments

* Use a maximum number of retries to exit the loop more reliably

* Remove unused varibles

---------

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

docs/examples/index.md

@@ -85,6 +85,15 @@ darwin-framework-tool/README
 energy-management-app/**/README
 ```
 
+## Fabric Bridge example
+
+```{toctree}
+:glob:
+:maxdepth: 1
+
+fabric-bridge-app/**/README
+```
+
 ## Java matter controller example
 
 ```{toctree}

examples/fabric-bridge-app/fabric-bridge-common/BUILD.gn

@@ -0,0 +1,25 @@
+# Copyright (c) 2024 Project CHIP Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import("//build_overrides/chip.gni")
+
+import("${chip_root}/src/app/chip_data_model.gni")
+
+chip_data_model("fabric-bridge-common") {
+  zap_file = "fabric-bridge-app.zap"
+
+  is_server = true
+
+  cflags = [ "-DDYNAMIC_ENDPOINT_COUNT=16" ]
+}