Add README FAQ #1550

Job	Run time
License check	46s
Cancel Previous Runs	2s
Taplo fmt	17s
cargo build --release --workspace --locked --exclude test-no-std	39s
cargo build --release -p test-no-std --features api-client	31s
cargo build --release -p test-no-std --features compose-macros	23s
cargo build --release -p test-no-std --features node-api	25s
cargo build --release -p test-no-std --features primitives	25s
cargo check --no-default-features	29s
cargo check --no-default-features --features sync-api	22s
cargo check --no-default-features --features jsonrpsee-client	28s
cargo check --no-default-features --features tungstenite-client	51s
cargo check --no-default-features --features ws-client	28s
cargo check --no-default-features --features staking-xt	33s
cargo check --no-default-features --features contracts-xt	31s
cargo check --no-default-features --features std	30s
cargo build --target wasm32-unknown-unknown --no-default-features --features sync-api	26s
cargo build --no-default-features --features "std jsonrpsee-client"	31s
cargo build --release -p ac-examples --example get_blocks_async --no-default-features	1m 55s
cargo build --release -p ac-examples --example runtime_update_async --no-default-features	1m 53s
cargo clippy --workspace --exclude test-no-std -- -D warnings	28s
cargo clippy --all-features --examples -- -D warnings	29s
cargo test --release --workspace --all-features --exclude test-no-std	1m 22s
cargo fmt --all -- --check	26s
examples	1s
	15m 11s

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