[C++ SDK] Create build system + CI infrastructure

[slbotbm]

Description

The building and testing infrastrure for C++ SDK needs to be laid down before the actual development.

Component

None

Proposed solution

• Create the required scripts for building and testing in CI.
• For cpp side, include CompressionAlgorithm, Expiry, MaxTopicSize, and PollingStrategyclasses and test them.
• Implement Bazel and CMake build systems.

Bazel commands:

bazel build //:iggy-cpp
bazel test //:iggy-cpp-test

Alternatives considered

No response

sub-issue of #2100