Create no_std example for extrinsic creation #1544

Job	Run time
Cancel Previous Runs	4s
License check	2m 55s
cargo build --release --workspace --locked --exclude test-no-std	35s
Taplo fmt	7s
cargo build --release -p test-no-std --features api-client	34s
cargo build --release -p test-no-std --features compose-macros	26s
cargo build --release -p test-no-std --features node-api	35s
cargo build --release -p test-no-std --features primitives	24s
cargo check --no-default-features	2m 0s
cargo check --no-default-features --features sync-api	1m 52s
cargo check --no-default-features --features jsonrpsee-client	2m 40s
cargo check --no-default-features --features tungstenite-client	2m 42s
cargo check --no-default-features --features ws-client	2m 30s
cargo check --no-default-features --features staking-xt	37s
cargo check --no-default-features --features contracts-xt	29s
cargo check --no-default-features --features std	2m 45s
cargo build --target wasm32-unknown-unknown --no-default-features --features sync-api	2m 26s
cargo build --no-default-features --features "std jsonrpsee-client"	32s
cargo build --release -p ac-examples --example get_blocks_async --no-default-features	4m 24s
cargo build --release -p ac-examples --example runtime_update_async --no-default-features	4m 25s
cargo clippy --workspace --exclude test-no-std -- -D warnings	28s
cargo clippy --all-features --examples -- -D warnings	1m 17s
cargo test --release --workspace --all-features --exclude test-no-std	8m 33s
cargo fmt --all -- --check	16s
examples	1s
	43m 37s

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