Add dart LSP (resolves #1006)
Add dart LSP (resolves #1006)

hernot/ale,w0rp/ale,adriaanzon/ale,IngoHeimbach/ale,neersighted/ale,w0rp/ale,neersighted/ale,IngoHeimbach/ale,hernot/ale,neersighted/ale,w0rp/ale,IngoHeimbach/ale,hernot/ale