Add Definition jump and Hover features.

[ghost]

I implemented definition jump and hover features.

• src/extension.ts Added registration of VbaDocumentDefinitionProvider and VbaHoverProvider. Added class VbaSymbol and global variable vbaSymbols: VbaSymbol []. (to use symbols created by VbaDocumentSymbolProvider in other classes)

• src/documentSymbolProvider.ts Changed to save symbols in vbaSymbols.

• src/documentDefinitionProvider.ts implements VbaDocumentDefinitionProvider.

• src/hoverProvider.ts implements VbaHoverProvider.

This PR closes #20 Thanks.

[spences10]

Fantastic! Thank you 🙏

[spences10]

That's update now, live in the marketplace