Problem: not exposing c++ api for wc 2.0 sign , send tx (fix #453)

[leejw51crypto]

expose c++ api for wc 2.0 sign, send tx

[leejw51crypto]

ci test fails, fixing now

[leejw51crypto]

rust linting rule changed, inspecting now

[codecov-commenter]

Codecov Report

Merging #454 (12cba4a) into main (0f5e0bc) will decrease coverage by 1.82%. The diff coverage is 0.00%.

:exclamation: Current head 12cba4a differs from pull request most recent head e64117b. Consider uploading reports for the commit e64117b to get more accurate results

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@@            Coverage Diff             @@
##             main     #454      +/-   ##
==========================================
- Coverage   20.90%   19.09%   -1.82%     
==========================================
  Files          26       26              
  Lines        3544     3881     +337     
==========================================
  Hits          741      741              
- Misses       2803     3140     +337     

Impacted Files	Coverage Δ
extra-cpp-bindings/src/lib.rs	17.06% <0.00%> (-0.28%)	:arrow_down:
extra-cpp-bindings/src/walletconnect.rs	0.00% <0.00%> (ø)
extra-cpp-bindings/src/walletconnect2.rs	0.00% <0.00%> (ø)
wallet-connect/src/v2/client.rs	0.00% <0.00%> (ø)
wallet-connect/src/v2/protocol.rs	48.68% <ø> (ø)

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[leejw51crypto]

working on comments