refactor(streaming): convert to modules

Import methods rather than call via exports.

imports/requestAnimDict/client.lua

@@ -0,0 +1,35 @@
+---Load an animation dictionary. When called from a thread, it will yield until it has loaded.
+---@param animDict string
+---@param timeout number? Number of ticks to wait for the dictionary to load. Default is 500.
+---@return string? animDict
+function lib.requestAnimDict(animDict, timeout)
+    if HasAnimDictLoaded(animDict) then return animDict end
+
+    if type(animDict) ~= 'string' then
+        error(("expected animDict to have type 'string' (received %s)"):format(type(animDict)))
+    end
+
+    if not DoesAnimDictExist(animDict) then
+        return error(("attempted to load invalid animDict '%s'"):format(animDict))
+    end
+
+    RequestAnimDict(animDict)
+
+    if coroutine.running() then
+        timeout = tonumber(timeout) or 500
+
+        for _ = 1, timeout do
+            if HasAnimDictLoaded(animDict) then
+                return animDict
+            end
+
+            Wait(0)
+        end
+
+        print(("failed to load animDict '%s' after %s ticks"):format(animDict, timeout))
+    end
+
+    return animDict
+end
+
+return lib.requestAnimDict