cleanup: standardize whitespace

README.md

@@ -358,6 +358,7 @@ _See also: [Comparison of CalDAV and CardDAV implementations - Wikipedia](https:
 
 **[`^        back to top        ^`](#)**
 
+
 ### Communication - Email - Complete Solutions
 
 **[`^        back to top        ^`](#)**
@@ -1783,6 +1784,7 @@ _See also: [awesome-sysadmin/Code Review](https://github.com/awesome-foss/awesom
 
 **Please visit [staticsitegenerators.net](https://staticsitegenerators.net), [staticgen.com](https://www.staticgen.com)**
 
+
 ### Status / Uptime pages
 
 **[`^        back to top        ^`](#)**
@@ -1933,6 +1935,7 @@ _See also: [Wikimatrix](https://www.wikimatrix.org/), [Wiki Engines - WikiIndex]
 - [Zim](https://zim-wiki.org/) - Graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images. ([Source Code](https://github.com/zim-desktop-wiki/zim-desktop-wiki)) `GPL-2.0` `Python`
 
 
+
 --------------------
 
 ## List of Licenses