buckify

Summary:
this buckifies relaxed_ik, our highly modified third-party inverse kinematics solver while introducing the least amount of third party libraries

also switches `k` to a fork that uses `nalgebra=0.33` (trivial fix), submitted a PR to the original repo openrr/k#153

Reviewed By: forrestsmithfb

Differential Revision:
D77805949

Privacy Context Container: L1133034

fbshipit-source-id: e48663e588e48cfdc72a94ddbbbba3aed2274800

Author: prnthp-meta

Cargo.toml

@@ -12,6 +12,7 @@ google-cloud-wkt = { git = "https://github.com/googleapis/google-cloud-rust.git"
 graphql-parser = { git = "https://github.com/graphql-rust/graphql-parser", rev = "8d76425d83c40670570cc325f57c730262f07456" }
 imgui = { git = "https://github.com/imgui-rs/imgui-rs.git", rev = "2abba18c08fb5e70c699ba7992342e7ff8573b09" }
 imgui-sys = { git = "https://github.com/imgui-rs/imgui-rs.git", rev = "2abba18c08fb5e70c699ba7992342e7ff8573b09" }
+k = { git = "https://github.com/prnthp-meta/k", rev = "f06b504c563a4763dbf2d47366b868f67d5c9dd2" }
 lru-disk-cache = { git = "https://github.com/mozilla/sccache", rev = "fdbf843d174c6796d736b2b61dab0297670390f8" }
 pcap = { git = "https://github.com/qrnch-jan/pcap", rev = "0c6ed076c84ef0c63198d384a24d66b737b24e4a" }
 perf-event = { version = "0.4", git = "https://github.com/Nero5023/perf-event.git", rev = "6dae86b6d4807acec081e6dc0a53167f57f8c0f4" }