Move CI dir

[bobozaur]

Moved the ci directory under .github and cleared out some remaining items from previous Java/iOS wrappers in some scripts. Obsolete rustfmt.toml files were also removed (which lead to a lot of files being formatted).

[codecov-commenter]

Codecov Report

Merging #1001 (8ff860f) into main (ac35fdd) will decrease coverage by 0.01%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main    #1001      +/-   ##
==========================================
- Coverage   30.00%   30.00%   -0.01%     
==========================================
  Files         416      416              
  Lines       26929    26931       +2     
  Branches     5244     5244              
==========================================
  Hits         8080     8080              
- Misses      16653    16655       +2     
  Partials     2196     2196              

Flag	Coverage Δ
unittests-aries-vcx	30.00% <0.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
...ibvdrtools/indy-api-types/src/domain/wallet/mod.rs	7.69% <ø> (ø)
libvdrtools/indy-api-types/src/errors.rs	7.98% <ø> (ø)
libvdrtools/indy-api-types/src/lib.rs	50.00% <ø> (ø)
...y-utils/src/crypto/chacha20poly1305_ietf/sodium.rs	62.22% <ø> (ø)
...rtools/indy-utils/src/crypto/ed25519_box/sodium.rs	75.00% <ø> (ø)
...tools/indy-utils/src/crypto/ed25519_sign/sodium.rs	100.00% <ø> (ø)
libvdrtools/indy-utils/src/crypto/hash/openssl.rs	0.00% <ø> (ø)
...s/indy-utils/src/crypto/pwhash_argon2i13/sodium.rs	11.53% <ø> (ø)
...vdrtools/indy-utils/src/crypto/sealedbox/sodium.rs	66.66% <ø> (ø)
...bvdrtools/indy-utils/src/crypto/xsalsa20/sodium.rs	0.00% <ø> (ø)
... and 57 more

... and 1 file with indirect coverage changes