v1.2.2

• Add yarn support (dervos)
• Fix login form lock and loader (teldosas)
• Fix custom headers documentation (fzaninotto)
• Add support for numeric value in NumberInput step prop (fzaninotto)
• Add documentation for admin history prop (fzaninotto)
• Fix doc for ISO date input (leesei)
• Fix wrong use of the 'Edition' word across the documentation (cornhundred)
• Fix typo in tutorial (cornhundred)
• Fix typo in RestClients documentation (arlair)
• Add farsi translation package (hamidfzm)
• Fix translation warning on TabbedShowLayout's tab names (freeznet)
• Fix typo in Authentication documentation (RWOverdijk)
• Fix typo in CreateEdit documentation (RWOverdijk)
• Add Turkish translation package (ismailbaskin)