Initial Xelis integration

# Conflicts:
#	ios/Podfile.lock

TODO: merge cypherstack/flutter_libepiccash#56 "Reorganize codebase, add tests, and fix example app" to main

fix: use uri instead of manual parsing

reformat: remove braces and use efficient variables

refactor: add forgotten vars

…nto xelis

Xelis Polish

Remove lelantus and frost spend fix

Fixes

update cs_salvium dep with ios plist fix

salvium 8 places + polyseed

… as well as a db migration with version update

Node handling updates and fixes

fix missing safearea wraps