Add `Technical Skills` section

[amlan-roy]

Details

AC:

• All the input fields should work.
• The Field Name should also be an optional input.
• If no field name is given, then in the final resume only list items will be entered. If field name is given, then field name will be bold, and in it's right, there will be the other options.
• The big delete button on top deletes the whole section.
• The smaller delete button deletes the individual fields.
• The small plus below adds the sub section.

Are you willing to contribute to this issue? Yes

Additional context NA

[amlan-roy]

Added the section. Tests remaining.

[amlan-roy]

Will create separate issue for tests for this component. Closing this issue.