Add library example

examples/library/.gitignore

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+out
+target

examples/library/Forc.lock

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+[[package]]
+name = "core"
+source = "path+from-root-0DAF035ABF1276AD"
+
+[[package]]
+name = "library"
+source = "member"
+dependencies = [
+    "std",
+    "sway_libs",
+]
+
+[[package]]
+name = "standards"
+source = "git+https://github.com/FuelLabs/sway-standards?tag=v0.5.0#348f7175df4c012b23c86cdb18aab79025ca1f18"
+dependencies = ["std"]
+
+[[package]]
+name = "std"
+source = "git+https://github.com/fuellabs/sway?rev#4c2c38430264472221dd4c68142013d819843b01"
+dependencies = ["core"]
+
+[[package]]
+name = "sway_libs"
+source = "git+https://github.com/FuelLabs/sway-libs?tag=v0.22.0#172adbbcc36e561a56c5820209445f86f0856bfc"
+dependencies = [
+    "standards",
+    "std",
+]

examples/library/Forc.toml

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+[project]
+authors = ["Nazeeh Vahora"]
+entry = "main.sw"
+license = "Apache-2.0"
+name = "library"
+
+[dependencies]
+sway_libs = { git = "https://github.com/FuelLabs/sway-libs", tag = "v0.22.0" }

examples/library/src/main.sw

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+library;
+
+use std::hash::sha256;
+use std::hash::Hash;
+
+/// Generates a SHA-256 hash of the input.
+pub fn generate_sha256<T: Hash>(input: T) -> b256 {
+    sha256(input)
+}
+
+/// Verifies if the SHA-256 hash of the input matches the provided hash.
+pub fn verify_sha256<T: Hash>(input: T, expected_hash: b256) -> bool {
+    let computed_hash = sha256(input);
+    computed_hash == expected_hash
+}