Address Issues from Github

- Updated naming of config
- Define struct in ra_ide and use remote derive in rust-analyzer/config
- Make inlayConfig type more flexible to support more future types
- Remove constructor only used in tests

editors/code/src/config.ts

@@ -27,7 +27,9 @@ export class Config {
     private static readonly requiresReloadOpts = [
         "cargoFeatures",
         "cargo-watch",
-        "highlighting.semanticTokens"
+        "highlighting.semanticTokens",
+        "inlayHintOpts.maxLength",
+        "inlayHintOpts.displayType",
     ]
         .map(opt => `${Config.rootSection}.${opt}`);