Update ranger URL

The previous URL is an outdated link.

README.md

@@ -224,7 +224,7 @@ Some links to [related resources](#resources).
 * [Midnight Commander](http://www.midnight-commander.org/) - a visual file manager, full-screen text mode application that allows you to copy, move and delete files and whole directory trees and search for files; includes an internal viewer and editor.
 * [ncursesFM](https://github.com/FedeDP/ncursesFM) - File manager written in C; rather complete in terms of features; especially lightweight and responsive.  
 * [nnn](https://github.com/jarun/nnn) - "The missing terminal file browser for X". Provides only directory traversal and file visualization.  No delete/move operations are supported.
-* [ranger](http://ranger.nongnu.org/) - Console file manager with vi key bindings; curses interface with a view on the directory hierarchy; comes with a file launcher that automatically determines which program to use for opening a given file type.  
+* [ranger](https://ranger.github.io/) - Console file manager with vi key bindings; curses interface with a view on the directory hierarchy; comes with a file launcher that automatically determines which program to use for opening a given file type.  
 * [rnr](https://github.com/bugnano/rnr) - The RNR File Manager (RNR's Not Ranger) is a text based file manager that combines the best features of Midnight Commander and Ranger.
 * [vifm](https://vifm.info/) - "ncurses based file manager with vi like keybindings/modes/options/commands/configuration, which also borrows some useful ideas from mutt" (cit.).
 

data/apps.csv

@@ -116,7 +116,7 @@ file-system,TMSU,http://tmsu.org/,A tool for tagging files; it provides a simple
 file-manager,lfm,https://inigo.katxi.org/devel/lfm/,"(Last File Manager) is a file manager written in Python; it comes with lots of features, including 1-pane or 2-pane view, files filters and bookmarks, tree view, virtual file-systems to open compressed archives, search in files, customizable keybindings and themes."
 file-manager,Midnight Commander,http://www.midnight-commander.org/,"a visual file manager, full-screen text mode application that allows you to copy, move and delete files and whole directory trees and search for files; includes an internal viewer and editor."
 file-manager,ncursesFM,https://github.com/FedeDP/ncursesFM,File manager written in C; rather complete in terms of features; especially lightweight and responsive.  
-file-manager,ranger,http://ranger.nongnu.org/,Console file manager with vi key bindings; curses interface with a view on the directory hierarchy; comes with a file launcher that automatically determines which program to use for opening a given file type.  
+file-manager,ranger,https://ranger.github.io/,Console file manager with vi key bindings; curses interface with a view on the directory hierarchy; comes with a file launcher that automatically determines which program to use for opening a given file type.  
 file-manager,vifm,https://vifm.info/,"""ncurses based file manager with vi like keybindings/modes/options/commands/configuration, which also borrows some useful ideas from mutt"" (cit.)."
 conversion,catdoc,http://www.wagner.pp.ru/~vitus/software/catdoc/,Command line converter from Microsoft Word to plain text; output is sent to the standard output.  
 conversion,Pandoc,http://pandoc.org/,"Universal document file converter; handles input output from/to a number of formats: HTML, PDF, LaTeX, docx, odt, AsciiDoc, Markdown, Textile, just to mention a few; the quality of conversion strongly depends on the combination of input/output formats."