add experimental binary and improve a couple comments

Author: lastmjs

dist/canister_templates/experimental.wasm

@@ -12,5 +12,5 @@ const helloWorldCanister = createActor(getCanisterId(canisterName), {
     }
 });
 
-// TODO get rid of this cast to any once the dfx generate command uses @icp-sdk/core instead of the old @dfinity packages
+// TODO get rid of this cast to any once the dfx generate command imports from @icp-sdk/core instead of the old @dfinity packages
 runTests(getTests(helloWorldCanister as any));

examples/stable/demo/hello_world/test/test.ts

@@ -12,5 +12,5 @@ const actor = createActor(getCanisterId(canisterName), {
     }
 });
 
-// TODO get rid of this cast to any once the dfx generate command uses @icp-sdk/core instead of the old @dfinity packages
+// TODO get rid of this cast to any once the dfx generate command imports from @icp-sdk/core instead of the old @dfinity packages
 runTests(getTests(actor as any));