Add noreferrer rel when target is _blank

src/lib/components/legifrance/ArticleView.svelte

src/lib/components/parameters/ArticleModal.svelte

src/lib/components/parameters/ParameterView.svelte

src/lib/components/parameters/ReferencesView.svelte

src/lib/components/parameters/ScaleView.svelte

src/lib/components/test_cases/TestCaseEdit.svelte

src/lib/components/variables/FormulaView.svelte

src/lib/components/variables/VariableHeader.svelte

src/lib/components/variables/VariableInput.svelte

...omponents/variables/VariableReferredScaleParameter.svelte

...omponents/variables/VariableReferredValueParameter.svelte

src/lib/components/variables/VariableView.svelte