Improve Signed Extension and Block Decoding Examples/Book (#1357)

* asset hub example and book adjustment

* formatting

* recursive derives

* polkadot monitor example and book adjustments

* formatting

* adjust docs and examples, add dynamic example

* james suggestions

* fmt

* chore(subxt/src): typo fix (#1370)

* rpcmethods

* followstr

* mod and else

* Weekly Cronjob fetching artifacts and generating polkadot.rs file. (#1352)

* github CI action cronjob

* add commit message

* fix the CI yml files

* binary crate for CI script with substrate-runner

* update the CI script

* correct the artifacts script

* remove bash script

---------

Co-authored-by: James Wilson <james@jsdw.me>
Co-authored-by: Pan chao <152830401+Pan-chao@users.noreply.github.com>

subxt/examples/blocks_subscribing.rs

@@ -37,8 +37,8 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
             println!("    Extrinsic #{idx}:");
             println!("      Bytes: {bytes_hex}");
             println!("      Decoded: {decoded_ext:?}");
-            println!("      Events:");
 
+            println!("      Events:");
             for evt in events.iter() {
                 let evt = evt?;
                 let pallet_name = evt.pallet_name();