Remove PkgConfig dependence on Windows

PkgConfig works properly only on Linux. On Windows, it is part of the MSYS2 platform and there is no guarantee that it works properly; it is also not necessary.

Instead of using PkgConfig, a CMake module FindPkgVersionWin is introduced to find the version of a package from a config file.

find_pkg_version_win function is used to find the version of cerf package under Windows.

Related to issue #133 (closed)

requested review from @j.wuttke

assigned to @a.nejati

After merging, please check that the link "Related to issue" did not cause that issue to be closed.

Sorry, quite a number of review comments this time. Please ask me to review again when all threads are closed.

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• 1f23f46c - CMake: Correct indentation (Minor change)

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• 403488c6 - CMake: Move `AssertLibraryFunction` and `FindPkgVersion` to `cmake/commons` folder

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• 52688f40 - CMake: Move `AssertLibraryFunction` and `FindPkgVersion` to `cmake/commons` folder

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• 6364fe0d - CMake: Add documentation to FindPkgVersion module

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• 304f7da9 - FindPkgVersion: Slightly improve code; rem unnecessary comments

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• 11099e9b - CMake: Rename 'FindPkgVersion' -> 'FindPkgVersionWin'

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• c6177531 - FindPkgVersion: Slightly improve code; rem unnecessary comments
• f0eb94f0 - CMake: Rename 'FindPkgVersion' -> 'FindPkgVersionWin'

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• a5f8df0e - CMake: Rename 'FindPkgVersion' -> 'FindPkgVersionWin'

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• b8cb49d5 - FindPkgVersion: Slightly improve code; rem unnecessary comments
• 992afd4c - CMake: Rename 'FindPkgVersion' -> 'FindPkgVersionWin'

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• eccc16f0 - CMake: Rename 'FindPkgVersion' -> 'FindPkgVersionWin'

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• 350ffd3f - CMake: Rename 'FindPkgVersion' -> 'FindPkgVersionWin'

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• 4b56e70a - FindPkgVersion: Slightly improve code; rem unnecessary comments
• 490e9307 - CMake: Rename 'FindPkgVersion' -> 'FindPkgVersionWin'

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changed the description

resolved all threads

2 threads, no need for further review, thanks.

added 3 commits

• 0bfba9f5 - CMake: Add documentation to FindPkgVersion module
• c55c6b01 - FindPkgVersion: Improve code; rem unnecessary comments
• 9cb8f61e - CMake: Rename 'FindPkgVersion' -> 'FindPkgVersionWin'

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resolved all threads

mentioned in commit ae7af93b

merged

mentioned in issue #133 (closed)