Add initial Timer to repo

Vision/Timer/Timer.lua

@@ -0,0 +1,46 @@
+local Tinkr, Vision = ...
+
+local Timer = {
+    start_events = {},
+    reset_events = {},
+    time = 0,
+    label = nil
+}
+
+Timer.__index = Timer
+
+-- Constructor
+---@param label String
+---@param start Table
+---@param reset Table
+---@return Timer
+function Timer:New(label, start, reset)
+    local self          = setmetatable({}, Timer)
+    self.start_events   = start
+    self.reset_events   = reset
+    self.time           = 0
+    self.label          = label
+
+    for _, event in pairs(self.start_events) do
+        Vision.EventManager:RegisterWoWEvent(event, function()
+            self.time = GetTime()
+        end)
+    end
+
+    for _, event in pairs(self.reset_events) do
+        Vision.EventManager:RegisterWoWEvent(event, function()
+            self.time = 0
+        end)
+    end
+    return self
+end
+
+-- Start Timer
+---@return number
+function Timer:GetTime()
+    if self.time == 0 then
+        return 0
+    else
+        return GetTime() - self.time
+    end
+end