Made changes for interfaces - #2

This comparison appears to be unintentional because the types '"spline"' and '"runge"' have no overlap.

This comparison appears to be unintentional because the types '"spline"' and '"runge"' have no overlap.

Cannot find name 'PlaybackBar'.

Cannot find name 'kAles'.

No value exists in scope for the shorthand property 'amplitudine'. Either declare one or provide an initializer.

Cannot find name 'schimbaFila'.

Cannot find name 'useDerulare'.

'setFila' is declared but its value is never read.

'PlotDreapta' is declared but its value is never read.

'multiplicatorLagrange' is declared but its value is never read.

src/components/content/InterfataInterpolare.tsx:549:12: 'PlaybackBar' is not defined.

src/components/content/InterfataInterpolare.tsx:123:16: Variable 'setFila' is declared but never used. Unused variables should start with a '_'.

src/components/content/InterfataInterpolare.tsx:41:10: Identifier 'PlotDreapta' is imported but never used.