Fix Russian engineering keyboard layout (Ruchey)

After discussion, it was decided to make some improvements to the keyboard layout.

Main reasons:

• return some characters to places where there is an image in the standard layout.
• improve the experience of typing string constants in C like languages
• add paragraph symbol

Changes:

• add symbol paragraph
• location grave on period
• location ruble on "1"
• location apostrophe on "2"
• location semicolon on "4"
• location quotedbl on "5"