Added slow to dragon

Added power "slow"
    Slows down the player by a small amount
    Unfortunately still has FoV change

data/feathermc/origins/dragon.json

@@ -6,7 +6,8 @@
     "feathermc:bulwark",
     "feathermc:digestion",
     "feathermc:wide_figure",
-    "origins:fire_immunity"
+    "origins:fire_immunity",
+    "feathermc:slow"
   ],
   "order": 6,
   "impact": 3

data/feathermc/powers/slow.json

@@ -0,0 +1,21 @@
+{
+  "type": "origins:multiple",
+  "name": "Slow",
+  "description": "You're not the quickest.",
+  "badges": [
+    {
+      "type": "origins:tooltip",
+      "sprite": "minecraft:textures/item/chain.png",
+      "text": "You are permanently slower than usual."
+    }
+  ],
+  "speed": {
+    "type": "origins:attribute",
+    "modifier": {
+      "id": "slow_s",
+      "attribute": "minecraft:generic.movement_speed",
+      "amount": -0.01,
+      "operation": "add_value"
+    }
+  }
+}