A Roselle councilwoman on Monday filed a notice of intent to sue the Union County borough, claiming officials have committed “systemic, relentless and chronic” violations of her civil rights. Third-ward Councilwoman Cynthia Johnson, 63, states in a notice of claim that officials retaliated against her and harassed her after she voiced legitimate concerns over finances and other matters. “Johnson has now found herself to be constrained to file this (notice) as a direct result of the systemic, relentless and chronic violations under the New Jersey Civil Rights Act,” the notice states. “Simply pu…