Expand bait progression and retune fishing

items/catalog/snails.tres

@@ -0,0 +1,14 @@
+[gd_resource type="Resource" script_class="ItemData" load_steps=2 format=3]
+
+[ext_resource type="Script" path="res://items/item_data.gd" id="1"]
+
+[resource]
+script = ExtResource("1")
+item_id = &"snails"
+display_name = "snails"
+description = "slow-moving bait with a better chance for rarer catches."
+category = 2
+bait_tags = Array[StringName]([&"bait_rarity_1"])
+stackable = true
+max_stack = 10
+hotbar_allowed = false