vim: Cross-reference pages (#9513)

* vim: Cross-reference pages

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

* Move See also to next line

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

* Apply suggestions from code review

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/common/nvim.md

@@ -2,6 +2,7 @@
 
 > Neovim, a programmer's text editor based on Vim, provides several modes for different kinds of text manipulation.
 > Pressing `i` in normal mode enters insert mode. `<Esc>` goes back to normal mode, which doesn't allow regular text insertion.
+> See also `vim`, `vimtutor`, `vimdiff`.
 > More information: <https://neovim.io>.
 
 - Open a file:

pages/common/vim.md

@@ -2,6 +2,7 @@
 
 > Vim (Vi IMproved), a command-line text editor, provides several modes for different kinds of text manipulation.
 > Pressing `i` in normal mode enters insert mode. Pressing `<Esc>` goes back to normal mode, which enables the use of Vim commands.
+> See also `vimdiff`, `vimtutor`, `nvim`.
 > More information: <https://www.vim.org>.
 
 - Open a file:

pages/common/vimdiff.md

@@ -1,7 +1,7 @@
 # vimdiff
 
 > Open up two or more files in vim and show the differences between them.
-> See also `vim`.
+> See also `vim`, `vimtutor`, `nvim`.
 > More information: <https://www.vim.org>.
 
 - Open two files and show the differences:

pages/common/vimtutor.md

@@ -1,6 +1,7 @@
 # vimtutor
 
 > Vim tutor, teaching the basic vim commands.
+> See also `vim`, `vimdiff`, `nvim`.
 > More information: <https://manned.org/vimtutor>.
 
 - Launch the vim tutor using the given language (en, fr, de, ...):