Resolve "create macro durs_core_server!"

Closes #100 (closed)

added 2 commits

• e6a596a6 - [ref] create durs_core::main method
• f6182954 - [ref] create macros to plug modules

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added 1 commit

• b6885129 - [ref] create macro durs_core_server

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unmarked as a Work In Progress

mentioned in commit 509f52a0

merged