mdbx: add link to Ruby bindings.

Change-Id: Idc3f23bec7fc4673cd614eb64a6b3788ae7acd92

.github/actions/spelling/expect.txt

@@ -852,6 +852,7 @@ macos
 MACROFILE
 MADV
 madvise
+mahlonsmith
 maindb
 mainpage
 maj
@@ -1400,6 +1401,7 @@ rthc
 rtn
 rtti
 ru
+rubygems
 rusage
 rw
 samedata

ChangeLog.md

@@ -13,6 +13,7 @@ TODO:
 
 Acknowledgements:
 
+ - [Mahlon E. Smith](https://github.com/mahlonsmith) for [Ruby bindings](https://rubygems.org/gems/mdbx/).
  - [Alex Sharov](https://github.com/AskAlexSharov) for [mdbx-go](https://github.com/torquem-ch/mdbx-go) and for bug reporting.
  - [Artem Vorotnikov](https://github.com/vorot93) for bug reporting.
 
@@ -28,6 +29,7 @@ New features:
    To minimize the impact on compatibility, only the odd values inside the upper half
    of the range (i.e. 32769..65533) are used for the new representation.
  - Added the `mdbx_drop` similar to LMDB command-line tool to purge or delete (sub)database(s).
+ - [Ruby bindings](https://rubygems.org/gems/mdbx/) is available now by [Mahlon E. Smith](https://github.com/mahlonsmith).
 
 Fixes:
 

README.md

@@ -486,8 +486,9 @@ and/or see the [mdbx.h](mdbx.h) header.
 Bindings
 ========
 
-| Runtime | Repo | Author |
+| Runtime |  Repo  | Author |
 | ------- | ------ | ------ |
+| Ruby    | [ruby-mdbx](https://rubygems.org/gems/mdbx/) | [Mahlon E. Smith](https://github.com/mahlonsmith) |
 | Go      | [mdbx-go](https://github.com/torquem-ch/mdbx-go) | [Alex Sharov](https://github.com/AskAlexSharov) |
 | [Nim](https://en.wikipedia.org/wiki/Nim_(programming_language)) | [NimDBX](https://github.com/snej/nimdbx) | [Jens Alfke](https://github.com/snej)
 | Rust    | [heed](https://github.com/Kerollmops/heed), [mdbx-rs](https://github.com/Kerollmops/mdbx-rs)   | [Clément Renault](https://github.com/Kerollmops) |