Add panes to calculation page.

src/lib/auditors/queries.ts

src/lib/calculations.ts

src/lib/components/TestCaseEdit.svelte

src/lib/components/Waterfall/index.ts

src/lib/components/calculations/CalculationPane.svelte

src/lib/components/parameters/ParametersSearch.svelte

src/lib/components/variables/VariablePane.svelte

...omponents/variables/VariableReferredParametersPane.svelte

src/lib/components/variables/VariableView.svelte

src/lib/components/waterfalls/AxisX.svelte

src/lib/components/waterfalls/AxisY.svelte

src/lib/components/waterfalls/Column.svelte

src/lib/components/waterfalls/Waterfall.svelte

src/lib/urls.ts

src/routes/calculations/index.svelte

src/routes/parameters/index.svelte

src/routes/variables/[variable].svelte