feat : common redis cache and common logger

app/Cache/Redis/Script/rate_limit.lua

@@ -0,0 +1,18 @@
+-- app/Cache/Redis/Script/rate_limit.lua
+local key = KEYS[1]
+local limit = tonumber(ARGV[1])
+local window = tonumber(ARGV[2])
+local current = redis.call('GET', key)
+local remaining = 0
+if current then
+    remaining = tonumber(current) - 1
+    if remaining >= 0 then
+        redis.call('DECR', key)
+    else
+        remaining = -1
+    end
+else
+    remaining = limit - 1
+    redis.call('SET', key, remaining, 'EX', window)
+end
+return {remaining >= 0, remaining}