added info about temporary unavailable urls

- signed-off-by: trimstray <trimstray@gmail.com>
This commit is contained in:
trimstray 2018-12-18 11:45:04 +01:00
parent 383f5a35ee
commit 81fc797f58

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@ -55,6 +55,8 @@ These below rules may be better:
- easy to contribute to (Markdown + HTML)
- easy to find (no TOC)
Url marked **\*** is temporary unavailable. Please don't delete it without confirming that it has permanently expired.
Before add pull request please see **[this](https://github.com/trimstray/the-book-of-secret-knowledge/blob/master/CONTRIBUTING.md)**. All suggestions/PR are welcome!
## :ballot_box_with_check: &nbsp;Todo