rebrand: kusama → dicle

- Replace all kusama/Kusama references with dicle/Dicle
- Rename weight files from ksm_size to dcl_size
- Update papi-tests files from ksm to dcl
- Remove chain-specs/kusama.json files
- cargo check --workspace successful (Finished output)
- Update MAINNET_ROADMAP.md: FAZ 8 completed

bizinikiwi/client/cli/src/commands/generate_node_key.rs

@@ -54,7 +54,7 @@ pub struct GenerateNodeKeyCmd {
 	pub common: GenerateKeyCmdCommon,
 	/// Specify the chain specification.
 	///
-	/// It can be any of the predefined chains like dev, local, staging, pezkuwi, kusama.
+	/// It can be any of the predefined chains like dev, local, staging, pezkuwi, dicle.
 	#[arg(long, value_name = "CHAIN_SPEC")]
 	pub chain: Option<String>,
 	/// A directory where the key should be saved. If a key already