build(project): update metadata with keywords

Cargo.toml

@@ -6,6 +6,7 @@ resolver = "2"
 authors = ["AXONE"]
 edition = "2021"
 homepage = "https://axone.xyz/"
+keywords = ["cosmwasm", "blockchain"]
 license = "BSD-3-Clause"
 repository = "https://github.com/axone-protocol/contracts"
 rust-version = "1.75"

contracts/axone-cognitarium/Cargo.toml

@@ -3,6 +3,7 @@ authors = { workspace = true }
 description = "A CosmWasm Smart Contract which enables the storage and querying of Semantic data using RDF, which represents information as semantic triples."
 edition = { workspace = true }
 homepage = { workspace = true }
+keywords = { workspace = true }
 license = { workspace = true }
 name = "axone-cognitarium"
 repository = { workspace = true }

contracts/axone-dataverse/Cargo.toml

@@ -3,6 +3,7 @@ authors = { workspace = true }
 description = "The Smart Contract overseeing and managing the Dataverse in the AXONE ecosystem."
 edition = { workspace = true }
 homepage = { workspace = true }
+keywords = { workspace = true }
 license = { workspace = true }
 name = "axone-dataverse"
 repository = { workspace = true }

contracts/axone-law-stone/Cargo.toml

@@ -3,6 +3,7 @@ authors = { workspace = true }
 description = "The Smart Contract providing Governance as a Service."
 edition = { workspace = true }
 homepage = { workspace = true }
+keywords = { workspace = true }
 license = { workspace = true }
 name = "axone-law-stone"
 repository = { workspace = true }

contracts/axone-objectarium/Cargo.toml

@@ -3,6 +3,7 @@ authors = { workspace = true }
 description = "A Smart Contract which enables the storage of arbitrary unstructured Objects."
 edition = { workspace = true }
 homepage = { workspace = true }
+keywords = { workspace = true }
 license = { workspace = true }
 name = "axone-objectarium"
 repository = { workspace = true }