Created the solution

Signed-off-by: Mohammed Majeed <mmajeed668@gmail.com>
Added a richtextbox and enlarged the screen
Added toolbar to the top with options like new, open, save, close
Add functionality to the closing tab
Added comments
Added more comments to describe the class
Created a new cs file that will hold all the logic for saving
Created an event handler for the new toolstrip that will delete all the text in the textbox
Started working on opening file

- MainForm.Designer.cs - Created an event handler for the open
- MainForm.cs -  A function was generated
- XMLLogic.cs - Created a function that opens a file and and returns a string with the data
Added the logic for opening a file

- MainForm.cs Added the event handler for opening a file
- XMLLogic.cs Added the function that opens the file and remember what file it opened
Added comment
Made the save and save as

MainForm.Designer.cs - Added handler for the save and save as button
MainForm.cs - Added code to handle the save and save as
XMLLogic.cs - Added the save function
Made the richtextbox dock with parent
Added a test solution
Created a resource folder and added schema and xml file to it. Also added them to the root of the project
Created a test library and added the XML logic to it, deleted the old xmllogic class
Created resource file for the test project and added these files to it
Renamed solution from testeditor to texteditorgui
Created the XMLLogicTest with all of the logic

Edited the xml file