v0.9.0-rc14

What's Changed

• More docs by @AurevoirXavier in #251
• Update API get_metadata by @AurevoirXavier in #252
• Finish all core libraries docs by @AurevoirXavier in #253
• Doc all CMDs by @AurevoirXavier in #255
• Anonymous arg by @AurevoirXavier in #256
• Accept block number and hash by @AurevoirXavier in #259
• Send RPC from CLI by @AurevoirXavier in #260
• Key command support JSON output & beautify its output by @AurevoirXavier in #261
• State insert command & fix API get_keys_paged by @AurevoirXavier in #262
• Eliminate doc warnings by @AurevoirXavier in #263
• State insert, RPC and JSON output tests by @AurevoirXavier in #264
• Bump scale-info from 2.2.0 to 2.3.0 by @dependabot in #265
• Add more tests by @AurevoirXavier in #266
• Sync docs between book and code by @AurevoirXavier in #269
• Release 0.9.0-rc14 by @AurevoirXavier in #270

Full Changelog: v0.9.0-rc13...v0.9.0-rc14