Add documentation

Signed-off-by: Marcel Müller <neikos@neikos.email>

Cargo.toml

@@ -16,9 +16,14 @@ harness = false
 [profile.bench]
 debug = true
 
+[lints.rust]
+unsafe_code = "forbid"
+missing_docs = "warn"
+
 [dependencies]
 annotate-snippets = "0.12.13"
 displaydoc = "0.2.5"
+document-features = { version = "0.2.12", optional = true }
 serde_json = { version = "1.0.149", optional = true }
 thiserror = "2.0.18"
 winnow = { version = "0.7.14", features = ["unstable-recover"] }
@@ -30,11 +35,19 @@ insta = { version = "1.46.3", features = ["glob", "serde"] }
 serde = { version = "1.0.228", features = ["derive"] }
 serde_json = "1.0.149"
 test_each_file = "0.3.7"
+nomo = { path = ".", features = ["unstable-pub"] }
 
 [profile.dev.package]
 insta.opt-level = 3
 similar.opt-level = 3
 
+[package.metadata.docs.rs]
+features = ["document-features"]
+
 [features]
 default = ["serde_json"]
+## Add support for inserting [`serde_json::Value`]s into [`Context`] objects
 serde_json = ["dep:serde_json"]
+## Get access to the internals of the crate ⚠️ This is a perma-unstable feature ⚠️
+unstable-pub = []
+document-features = ["dep:document-features"]