Broken documentation in Part4-data_center.md

[nightduck]

These lines reference host.cpp in the wrong directory (should be ../src/host.cpp) https://github.com/Xilinx/Vitis-Tutorials/blob/6cc013da57c88e9aedf09cbcc385a3f78556190f/Getting_Started/Vitis/Part4-data_center.md?plain=1#L60 https://github.com/Xilinx/Vitis-Tutorials/blob/6cc013da57c88e9aedf09cbcc385a3f78556190f/Getting_Started/Vitis/Part4-data_center.md?plain=1#L132 https://github.com/Xilinx/Vitis-Tutorials/blob/6cc013da57c88e9aedf09cbcc385a3f78556190f/Getting_Started/Vitis/Part4-data_center.md?plain=1#L160

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Likewise for u250.cfg here https://github.com/Xilinx/Vitis-Tutorials/blob/6cc013da57c88e9aedf09cbcc385a3f78556190f/Getting_Started/Vitis/Part4-data_center.md?plain=1#L162

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u250_hls.cfg doesn't exist. It should be ../src/u250.cfg https://github.com/Xilinx/Vitis-Tutorials/blob/6cc013da57c88e9aedf09cbcc385a3f78556190f/Getting_Started/Vitis/Part4-data_center.md?plain=1#L134 https://github.com/Xilinx/Vitis-Tutorials/blob/6cc013da57c88e9aedf09cbcc385a3f78556190f/Getting_Started/Vitis/Part4-data_center.md?plain=1#L161

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Whenever ./app.exe is invoked, it throws a runtime error because the xclbin file is not in the present directory. https://github.com/Xilinx/Vitis-Tutorials/blob/6cc013da57c88e9aedf09cbcc385a3f78556190f/Getting_Started/Vitis/Part4-data_center.md?plain=1#L95 https://github.com/Xilinx/Vitis-Tutorials/blob/6cc013da57c88e9aedf09cbcc385a3f78556190f/Getting_Started/Vitis/Part4-data_center.md?plain=1#L142 https://github.com/Xilinx/Vitis-Tutorials/blob/6cc013da57c88e9aedf09cbcc385a3f78556190f/Getting_Started/Vitis/Part4-data_center.md?plain=1#L172