Add all Dota 2 heroes (#2509)

Author: JCFarrow

lib/locales/en/dota.yml

@@ -12,14 +12,127 @@ en:
         hero:
           - Abaddon
           - Alchemist
+          - Ancient Apparition
+          - Anti-Mage
+          - Arc Warden
           - Axe
+          - Bane
+          - Batrider
           - Beastmaster
+          - Bloodseeker
+          - Bounty Hunter
           - Brewmaster
           - Bristleback
+          - Broodmother
           - Centaur Warrunner
           - Chaos Knight
+          - Chen
+          - Clinkz
           - Clockwerk
+          - Crystal Maiden
+          - Dark Seer
+          - Dark Willow
+          - Dawnbreaker
+          - Dazzle
+          - Death Prophet
+          - Disruptor
+          - Doom
+          - Dragon Knight
+          - Drow Ranger
+          - Earth Spirit
+          - Earthshaker
+          - Elder Titan
+          - Ember Spirit
+          - Enchantress
+          - Enigma
+          - Faceless Void
+          - Grimstroke
+          - Gyrocopter
+          - Hoodwink
+          - Huskar
+          - Invoker
+          - Io
+          - Jakiro
+          - Juggernaut
+          - Keeper of the Light
+          - Kunkka
+          - Legion Commander
+          - Leshrac
+          - Lich
+          - Lifestealer
+          - Lina
+          - Lion
+          - Lone Druid
+          - Luna
+          - Lycan
+          - Magnus
+          - Marci
+          - Mars
+          - Medusa
           - Meepo
+          - Mirana
+          - Monkey King
+          - Morphling
+          - Naga Siren
+          - Nature's Prophet
+          - Necrophos
+          - Night Stalker
+          - Nyx Assassin
+          - Ogre Magi
+          - Omniknight
+          - Oracle
+          - Outworld Destroyer
+          - Pangolier
+          - Phantom Assassin
+          - Phantom Lancer
+          - Phoenix
+          - Primal Beast
+          - Puck
+          - Pudge
+          - Pugna
+          - Queen of Pain
+          - Razor
+          - Riki
+          - Rubick
+          - Sand King
+          - Shadow Demon
+          - Shadow Fiend
+          - Shadow Shaman
+          - Silencer
+          - Skywrath Mage
+          - Slardar
+          - Slark
+          - Snapfire
+          - Sniper
+          - Spectre
+          - Spirit Breaker
+          - Storm Spirit
+          - Sven
+          - Techies
+          - Templar Assassin
+          - Terrorblade
+          - Tidehunter
+          - Timbersaw
+          - Tinker
+          - Tiny
+          - Treant Protector
+          - Troll Warlord
+          - Tusk
+          - Underlord
+          - Undying
+          - Ursa
+          - Vengeful Spirit
+          - Venomancer
+          - Viper
+          - Visage
+          - Void Spirit
+          - Warlock
+          - Weaver
+          - Windranger
+          - Winter Wyvern
+          - Witch Doctor
+          - Wraith King
+          - Zeus
         abaddon:
           quote:
             - You have called death upon yourself.