Add Leafpad user documentation (#5)

* Add applications section

* Add accessories section

* Add leafpad docs

source/3/3.3/3.3.4/leafpad.rst

@@ -0,0 +1,48 @@
+Chapter 3.3.4: Leafpad
+==============================
+
+Description
+---------------
+Leafpad is a simple GTK+ text editor that emphasizes simplicity, similar to gEdit that ships with Ubuntu. 
+It is simple to use and starts up quickly, while still containing essential features, being an ideal lightweight text editor that can be used for development despite its lightness.
+
+Currently Leafpad has the following features:
+ - Codeset option (Some OpenI18N registered)
+ - Auto codeset detection (UTF-8 and some codesets)
+ - Unlimitted Undo/Redo
+ - Auto/Multi-line Indent
+ - Display line numbers
+ - Drag and Drop
+ - Printing
+
+
+Usage/Screenshots
+----------------------
+.. image:: leafpad-screenshot.png
+   :width: 40%
+
+Version
+----------
+Lubuntu currently ships with Leafpad v0.8.18.
+
+How to launch
+----------------
+To open Leafpad with a blank document, simply enter `leafpad` in the terminal.
+You can also enter `leafpad [filename]` to open the file of your choice.
+
+For more advanced usage:
+
+  `leafpad [OPTION…] [filename]`
+
+Help Options:
+  -h, --help               Show help options
+  --help-all               Show all help options
+  --help-gtk               Show GTK+ Options
+
+Application Options:
+  --codeset=CODESET        Set codeset to open file
+  --tab-width=WIDTH        Set tab width
+  --jump=LINENUM           Jump to specified line
+  --version                Show version number
+  --display=DISPLAY        X display to use
+

source/3/3.3/accesories.rst

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+Chapter 3.3: Accesories
+==============================
+
+This chapter contains the list of accessories installed by default.
+
+.. toctree::
+   :maxdepth: 2
+   :titlesonly:
+
+   3.3.4/leafpad

source/3/applications.rst

@@ -0,0 +1,10 @@
+Chapter 3: Applications
+==============================
+
+This chapter will show you the various applications that ship with Lubuntu.
+
+.. toctree::
+   :maxdepth: 2
+   :titlesonly:
+
+   3.3/accesories

source/index.rst

@@ -18,6 +18,7 @@ Contents
    :titlesonly:
 
    1/installing_lubuntu
+   3/applications
 
 Thank you!
 ==========