Restore manganis optimizations (#3195)

* Create a crate for constant serialization of config structs for manganis
* use SerializeConst for the image asset builder
* switch to a declarative macro for assets
* add serializable options for each asset type
* implement the new manganis macro
* optimize assets in the CLI
* Fix assets with dioxus formattable
* reduce fuzzing test limits
* use the new syntax in examples
* fix avif support
* Fix manganis doc tests
* cache asset optimization
* Split out asset and bundled asset
* make hash pointer width independent
* Fix manganis macro docs
* add constvec::is_empty method to fix clippy lint
* remove nasm feature
* simplify test_rsplit_once test so typos passes
* revert example change from clippy fix
* always accept unix paths
* fix windows path seperator
* fix folder asset hash
* Optimize assets in a blocking task
* Fix asset options docs
* Document Asset and BundledAsset
* simplify the linker macro a bit
* add more docs to AssetParser expansion
* add image format helpers
* Split by  both unix and windows path separators and take the smallest one

packages/const-serialize/Cargo.toml

@@ -0,0 +1,22 @@
+[package]
+name = "const-serialize"
+version = { workspace = true }
+authors = ["Evan Almloff"]
+edition = "2021"
+description = "A serialization framework that works in const contexts"
+license = "MIT OR Apache-2.0"
+repository = "https://github.com/dioxuslabs/dioxus"
+homepage = "https://dioxuslabs.com/learn/0.5/getting_started"
+keywords = ["const", "serialize"]
+
+[dependencies]
+const-serialize-macro = { workspace = true }
+serde = { workspace = true, features = ["derive"], optional = true }
+
+[dev-dependencies]
+const-serialize = { path = "." }
+rand.workspace = true
+
+[features]
+test-big-endian = []
+serde = ["dep:serde"]