Initial policy service documentation

This MR updates only the README.md file of the service.

To view it in a more readable way, please open the branch directly and inspect the README.md rendered as HTML.

Click https://code.vereign.com/gaiax/tsa/policy/-/tree/16-readme-documentation

Closes #16 (closed)

@valerii.kalashnikov

changed milestone to %Sprint 5

added DevInProgress label

requested review from @yordan.kinkov

assigned to @lyuben.penkovski

changed the description

added 1 commit

• 75c1e5ea - Fix some paragraphs after speaking with colleagues

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resolved all threads

added 1 commit

• 57670894 - Rename 'policies' to 'policies DB'

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added 1 commit

• a29d66e0 - Rename evaluation static URL path

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resolved all threads

LGTM

added 8 commits

• a29d66e0...07e4c477 - 4 commits from branch main
• f1610fb3 - Initial policy service documentation
• 3220b029 - Fix some paragraphs after speaking with colleagues
• a0d6014a - Rename 'policies' to 'policies DB'
• 969a9d98 - Rename evaluation static URL path

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merged

mentioned in commit 157721cf

resolved all threads