* save wallet transaction on transaction completion * rustfmt * add resend command * rustfmt * added unit tests + fixes for grin wallet repost * add ability to dump transaction file contents * rustfmt * wallet doc update
* Fix typos and unused imports
* Ignore wallet data * Fix typo
* doc update * change and reorganise wallet documentation * Redo wallet arch document, update design document with current info, move older design document into 'goals.md' * Redo wallet arch document, update design document with current info, move older design document into 'goals.md'