refactor(streaming): convert to modules

Import methods rather than call via exports.

imports/requestAnimSet/client.lua

@@ -0,0 +1,31 @@
+---Load an animation clipset. When called from a thread, it will yield until it has loaded.
+---@param animSet string
+---@param timeout number? Number of ticks to wait for the clipset to load. Default is 500.
+---@return string? animSet
+function lib.requestAnimSet(animSet, timeout)
+    if HasAnimSetLoaded(animSet) then return animSet end
+
+    if type(animSet) ~= 'string' then
+        error(("expected animSet to have type 'string' (received %s)"):format(type(animSet)))
+    end
+
+    RequestAnimSet(animSet)
+
+    if coroutine.running() then
+        timeout = tonumber(timeout) or 500
+
+        for _ = 1, timeout do
+            if HasAnimSetLoaded(animSet) then
+                return animSet
+            end
+
+            Wait(0)
+        end
+
+        print(("failed to load animSet '%s' after %s ticks"):format(animSet, timeout))
+    end
+
+    return animSet
+end
+
+return lib.requestAnimSet