Add IceDiscovery CMake files

Author: externl

cpp/IceDiscovery/hello/CMakeLists.txt

@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.16)
+
+project(icediscovery_hello CXX)
+
+include(../../cmake/common.cmake)
+
+add_executable(client Client.cpp Hello.ice)
+slice2cpp_generate(client)
+target_link_libraries(client Ice::Ice)
+
+add_executable(server Server.cpp HelloI.cpp HelloI.h Hello.ice)
+slice2cpp_generate(server)
+target_link_libraries(server Ice::Ice)

cpp/IceDiscovery/hello/README.md

@@ -1,15 +1,40 @@
+# IceGrid Hello
+
 This demo is the Ice hello world demo configured to use [IceDiscovery][1].
 
+To build the demo run:
+
+```shell
+cmake -B build
+cmake --build build --config Release
+```
+
 To run the demo, first start the server:
 
+**Linux/macOS:**
+
+```shell
+./build/server
 ```
-server
+
+**Windows:**
+
+```shell
+build\Release\server
 ```
 
 In a separate window, start the client:
 
+**Linux/macOS:**
+
+```shell
+./build/client
 ```
-client
+
+**Windows:**
+
+```shell
+build\Release\client
 ```
 
 The client and server use IceDiscovery to enable the location of the

cpp/IceDiscovery/replication/CMakeLists.txt

@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.16)
+
+project(icediscovery_replication CXX)
+
+include(../../cmake/common.cmake)
+
+add_executable(client Client.cpp Hello.ice)
+slice2cpp_generate(client)
+target_link_libraries(client Ice::Ice)
+
+add_executable(server Server.cpp HelloI.cpp HelloI.h Hello.ice)
+slice2cpp_generate(server)
+target_link_libraries(server Ice::Ice)

cpp/IceDiscovery/replication/README.md

@@ -1,17 +1,39 @@
+# IceDiscovery Replication
+
 This demo shows how to use replication with [IceDiscovery][1].
 
 To run the demo, start the 3 servers:
 
+**Linux/macOS:**
+
+```shell
+./build/client --Ice.Config=config.server1
+./build/client --Ice.Config=config.server2
+./build/client --Ice.Config=config.server3
 ```
-server --Ice.Config=config.server1
-server --Ice.Config=config.server2
-server --Ice.Config=config.server3
+
+**Windows:**
+
+```shell
+build\Release\client --Ice.Config=config.server1
+build\Release\client --Ice.Config=config.server2
+build\Release\client --Ice.Config=config.server3
 ```
 
+Server is located in the `build` directory on Linux/macOS and in the `build\Release` directory on Windows.
+
 In a separate window:
 
+**Linux/macOS:**
+
+```shell
+./build/client
 ```
-client
+
+**Windows:**
+
+```shell
+build\Release\client
 ```
 
 The client invokes the number of specified iterations with a given