Fix issue in documentation.

Contributors:
  * @spirillen

Squashed commit of the following:

commit 6b88f56
Author: Spirillen <[email protected]>
Date:   Mon Sep 13 09:42:58 2021 +0200

    Fixing a BUG in the code example

    By a mistake there was written `-url "$URI"` which of curse should have been `-u "$URI"`. The mistake was spotted in easylist/easylist#9061 (comment) posted by @ryanbr

commit 2e99711
Merge: 955ae63 7254cfd
Author: Spirillen <[email protected]>
Date:   Mon Sep 13 09:36:51 2021 +0200

    Merge remote-tracking branch 'upstream/dev' into 4.x-doc

commit 955ae63
Author: Spirillen <[email protected]>
Date:   Mon Sep 6 11:24:37 2021 +0200

    Wrote in depth about .PyFunceble.overwrite.yaml

    I also spotted a few lines, which was pushing the 72 chars per line boundries.

    (72 vs 80 chars per line, for support of Unix consoles)

    This commit tuches #246 to better desription of the .PyFunceble.overwrite.yaml as requested by @ZeroDot1

commit e5c687b
Author: Spirillen <[email protected]>
Date:   Sun Sep 5 15:01:38 2021 +0200

    Small rewrite of the intro in terminal.rst

    And a few missing duble lines between arguments

    Previous commit within same PR tuched https://mypdns.org/spirillen/PyFunceble/-/issues/26

commit 6786933
Author: Spirillen <[email protected]>
Date:   Sun Sep 5 14:50:03 2021 +0200

    Update index.rst in docs

    Forgot to update the docs/usage/idex.rst to meet the new filename of terminal.rst.

commit 36dca1f
Author: Spirillen <[email protected]>
Date:   Sun Sep 5 14:48:40 2021 +0200

    Rename bash-terminal.rst to terminal.rst

    Fixes #247 (comment)

commit 008368a
Author: Spirillen <[email protected]>
Date:   Sun Sep 5 14:46:21 2021 +0200

    Experimental filenaming for deprecated args

    Relates to #247 (comment)

    fix #247 (comment)

    Signed by @spirillen

commit 419c3bd
Merge: 999d279 59b809f
Author: Spirillen <[email protected]>
Date:   Sun Sep 5 14:20:42 2021 +0200

    Merge remote-tracking branch 'upstream/dev' into 4.x-doc

commit 999d279
Author: Spirillen <[email protected]>
Date:   Mon Aug 2 15:10:50 2021 +0200

    Ordering the Usage docs

    Fixed a small Wording

    Refs: #247 (comment)

    Signed by @spirillen

commit 655d67f
Author: Spirillen <[email protected]>
Date:   Mon Aug 2 14:59:59 2021 +0200

    Updated example IP's to RFC:5737

    Signed by @spirillen

commit 631196c
Merge: 132f2e0 35d1ff2
Author: Spirillen <[email protected]>
Date:   Tue Jul 20 13:54:15 2021 +0200

    Merge remote-tracking branch 'upstream/dev' into 4.x-doc

commit 132f2e0
Author: spirillen <[email protected]>
Date:   Tue Jul 20 11:50:31 2021 +0000

    Tiny fixup of the text for .PyFunceble.yaml

    Ensuring that no misunderstands the .PyFunceble.yaml is overwritten by default since .PyFunceble.overwrite.yaml was introduced.

commit 1db47e6
Author: Spirillen <[email protected]>
Date:   Sun Jul 4 15:15:10 2021 +0200

    Major changes to docs/

    With this release I have made some minor textual changes, but big changes to the filestructure as I have renamed the files inside docs/usage/. This is done to make the filename + the titles more systematic and equal, it just leaves the "mess" it used to be.

    Signed by @spirillen

commit 3a4d95c
Author: Spirillen <[email protected]>
Date:   Sun Jul 4 13:44:50 2021 +0200

    Added Power(less)shell to the title for know Windows issues...

    Signed by @spirillen

commit d9006c7
Author: Spirillen <[email protected]>
Date:   Sun Jul 4 13:21:40 2021 +0200

    Knowen Issue Cygwin

    Have made some notes about the limitation of running Cygwin or Python on a Windows and how it is affecting @PyFunceble

    Signed by @spirillen

Author: funilrys

docs/usage/terminal.rst

@@ -63,7 +63,7 @@ This is a domain: :code:`example.org`
 
 ------
 
-:code:`-url "$URI"` | :code:`--url "$URI"`
+:code:`-u "$URI"` | :code:`--url "$URI"`
 """"""""""""""""""""""""""""""""""""""""""
 
 Test one or more full URL, separated by spaces.