docs and minor tweaks #1361

Job	Run time
setup-environment	8s
test-scarb-fmt	16s
test-various (season_test)	43m 34s
test-various (combat_test)	1h 24m 48s
test-various (owner_test)	10m 6s
test-various (position_test)	2m 50s
test-various (resources_test)	51m 52s
test-various (config_test)	10m 12s
test-various (hyperstructure_test)	44m 29s
test-various (bank_test)	49m 5s
test-various (map_test)	29m 23s
test-various (resource_bridge_test)	1h 23m 50s
test-various (trade_test)	1h 9m 26s
test-various (realm_test)	43m 30s
test-various (guild_test)	1h 15m 39s
test-various (transport_test)	15m 42s
test-various (test_ownership_systems)	10m 44s
	10h 25m 34s

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