Implement Syncback to support converting Roblox files to a Rojo project (#937)

This is a very large commit.
Consider checking the linked PR for more information.

Cargo.lock

@@ -546,6 +546,15 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "float-cmp"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "98de4bbd547a563b716d8dfa9aad1cb19bfab00f4fa09a6a4ed21dbcf44ce9c4"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -765,7 +774,7 @@ dependencies = [
  "futures-sink",
  "futures-util",
  "http",
- "indexmap 2.2.5",
+ "indexmap 2.10.0",
  "slab",
  "tokio",
  "tokio-util",
@@ -784,12 +793,6 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
-[[package]]
-name = "hashbrown"
-version = "0.14.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
-
 [[package]]
 name = "hashbrown"
 version = "0.15.4"
@@ -935,12 +938,13 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.2.5"
+version = "2.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b0b929d511467233429c45a44ac1dcaa21ba0f5ba11e4879e6ed28ddb4f9df4"
+checksum = "fe4cd85333e22411419a0bcae1297d25e58c9443848b11dc6a86fefe8c78a661"
 dependencies = [
  "equivalent",
- "hashbrown 0.14.3",
+ "hashbrown 0.15.4",
+ "serde",
 ]
 
 [[package]]
@@ -1635,6 +1639,7 @@ dependencies = [
  "rbx_dom_weak",
  "rbx_reflection",
  "rbx_reflection_database",
+ "serde",
  "thiserror",
  "zstd",
 ]
@@ -1898,6 +1903,7 @@ dependencies = [
  "anyhow",
  "backtrace",
  "bincode",
+ "blake3",
  "clap 3.2.25",
  "criterion",
  "crossbeam-channel",
@@ -1905,11 +1911,13 @@ dependencies = [
  "data-encoding",
  "embed-resource",
  "env_logger",
+ "float-cmp",
  "fs-err",
  "futures",
  "globset",
  "humantime",
  "hyper",
+ "indexmap 2.10.0",
  "insta",
  "jod-thread",
  "jsonc-parser",
@@ -2962,9 +2970,9 @@ dependencies = [
 
 [[package]]
 name = "yaml-rust2"
-version = "0.10.3"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ce2a4ff45552406d02501cea6c18d8a7e50228e7736a872951fe2fe75c91be7"
+checksum = "2462ea039c445496d8793d052e13787f2b90e750b833afee748e601c17621ed9"
 dependencies = [
  "arraydeque",
  "encoding_rs",