Create no_std example for extrinsic creation (#556) #1547

Job	Run time
Cancel Previous Runs	10s
Taplo fmt	8s
cargo build --release --workspace --locked --exclude test-no-std	2m 21s
License check	2m 28s
cargo build --release -p test-no-std --features api-client	2m 12s
cargo build --release -p test-no-std --features compose-macros	2m 4s
cargo build --release -p test-no-std --features node-api	2m 9s
cargo build --release -p test-no-std --features primitives	2m 1s
cargo check --no-default-features	1m 40s
cargo check --no-default-features --features sync-api	1m 49s
cargo check --no-default-features --features jsonrpsee-client	2m 11s
cargo check --no-default-features --features tungstenite-client	1m 59s
cargo check --no-default-features --features ws-client	2m 0s
cargo check --no-default-features --features staking-xt	1m 58s
cargo check --no-default-features --features contracts-xt	1m 53s
cargo check --no-default-features --features std	1m 52s
cargo build --target wasm32-unknown-unknown --no-default-features --features sync-api	2m 1s
cargo build --no-default-features --features "std jsonrpsee-client"	2m 26s
cargo build --release -p ac-examples --example get_blocks_async --no-default-features	2m 25s
cargo build --release -p ac-examples --example runtime_update_async --no-default-features	2m 26s
cargo clippy --workspace --exclude test-no-std -- -D warnings	1m 46s
cargo clippy --all-features --examples -- -D warnings	1m 6s
cargo test --release --workspace --all-features --exclude test-no-std	14s
cargo fmt --all -- --check	21s
examples	1s
	41m 41s

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