[Documentation][Frontend] Documentation for plugins and small improvement #11295

Job	Run time
Determine runner type to use / determine_workflow_runner	1s
Set build matrix / set-constants	8s
Runtime Code Coverage (Linux)	1m 23s
Catalyst-Runtime Build (gcc)	59s
LLVM Build (gcc)	23s
MHLO Dialect Build (gcc)	7s
Enzyme Build (gcc)	14s
Quantum Dialects Build (gcc)	3m 28s
Runtime Tests (Linux) (lightning, gcc)	15s
Runtime Tests (Linux) (lightning-kokkos, gcc)	20s
Runtime Tests (Linux) (openqasm, gcc)	17s
Runtime Tests (Linux) (oqc, gcc)	56s
Runtime Tests (Linux) (oqd, gcc)	28s
Frontend Tests (backend="openqasm3") (gcc)	1m 41s
Frontend Tests (backend="lightning.kokkos") (gcc)	6m 41s
Frontend Tests (gcc)	8m 45s
	26m 6s

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