create voters_data_permission.rst article
a couple of changes according to the comments, not finished now
improvements according to the reviews
updated page with suggestion from the review
improved tip box with additional link to /cookbook/security
updated docs according to the reviews
updated with missing fixes
updated docs according to the review
updated the link from ACL to the data permission voters
updated the docs according to the last review
missed one comment
updated according to the review
simplified the example
[#2877][#3138] Proofreading the new voter data permission entry
[#3594] Nice tweaks thanks to @WouterJ and @xabbuh
feature #3594 New Data Voter Article (continuation) (weaverryan)

This PR was merged into the 2.3 branch.

Discussion
----------

New Data Voter Article (continuation)

Hiya guys!

This is just a continuation of #3138 by @monbro. I needed to rebase it against the 2.3 branch (which had conflicts), and wanted to proofread it (hence the fresh PR).

Please check out my latest commit to see if I've made any mistakes :).

| Q             | A
| ------------- | ---
| Doc fix?      | no
| New docs?     | yes
| Applies to    | 2.3
| Fixed tickets | #2877

Thanks!

Commits
-------

d3f9383 [#3594] Nice tweaks thanks to @WouterJ and @xabbuh
2391758 [#2877][#3138] Proofreading the new voter data permission entry
11aead7 simplified the example
8227270 updated according to the review
da7b97e missed one comment
9b91501 updated the docs according to the last review
872a05f updated the link from ACL to the data permission voters
1fd3b0e updated docs according to the review
5275230 updated with missing fixes
f4eb5f3 updated docs according to the reviews
ee0def1 improved tip box with additional link to /cookbook/security
731dcad updated page with suggestion from the review
1466fa7 improvements according to the reviews
99b1b0f a couple of changes according to the comments, not finished now
2bda150 create voters_data_permission.rst article