Create no_std example for extrinsic creation #1542

Job	Run time
Cancel Previous Runs	2s
License check	53s
cargo build --release --workspace --locked --exclude test-no-std	2m 33s
Taplo fmt	4s
cargo build --release -p test-no-std --features api-client	2m 16s
cargo build --release -p test-no-std --features compose-macros	2m 6s
cargo build --release -p test-no-std --features node-api	2m 19s
cargo build --release -p test-no-std --features primitives	2m 16s
cargo check --no-default-features	1m 44s
cargo check --no-default-features --features sync-api	1m 54s
cargo check --no-default-features --features jsonrpsee-client	2m 19s
cargo check --no-default-features --features tungstenite-client	2m 17s
cargo check --no-default-features --features ws-client	2m 19s
cargo check --no-default-features --features staking-xt	2m 20s
cargo check --no-default-features --features contracts-xt	2m 20s
cargo check --no-default-features --features std	2m 19s
cargo build --target wasm32-unknown-unknown --no-default-features --features sync-api	2m 20s
cargo build --no-default-features --features "std jsonrpsee-client"	2m 33s
cargo build --release -p ac-examples --example get_blocks_async --no-default-features	2m 33s
cargo build --release -p ac-examples --example runtime_update_async --no-default-features	2m 32s
cargo clippy --workspace --exclude test-no-std -- -D warnings	2m 18s
cargo clippy --all-features --examples -- -D warnings	1m 24s
cargo test --release --workspace --all-features --exclude test-no-std	1m 3s
cargo fmt --all -- --check	1m 21s
examples	1s
	46m 6s

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