chore: move the go code into a subfolder

apps/api/internal/cache/connector/redis/get.lua

@@ -0,0 +1,29 @@
+local result = redis.call("GET", KEYS[1])
+if result == false then
+    return nil
+end
+local object_id = tostring(result)
+
+local object = getCall("HGET", object_id, "object")
+if object == nil then
+    -- object expired, but there are keys that need to be cleaned up
+    remove(object_id)
+    return nil
+end
+
+-- max-age must be checked manually
+local expiry = getCall("HGET", object_id, "expiry")
+if not (expiry == nil) and tonumber(expiry) > 0 then
+    if getTime() > tonumber(expiry) then
+        remove(object_id)
+        return nil
+    end
+end
+
+local usage_lifetime = getCall("HGET", object_id, "usage_lifetime")
+-- reset usage based TTL
+if not (usage_lifetime == nil) and tonumber(usage_lifetime) > 0 then
+    redis.call('EXPIRE', object_id, usage_lifetime)
+end
+
+return object