test: add Redis testcontainers

fix: use atomic increment with retries for better concurrency control

fix: atomic increment with proper limit checking in memory storage

fix: race condition in concurrent request handling

Merge pull request #5 from devfullcycle/devin/1739040181-add-redis-co…

ci: trigger workflow on branch push

chore: update CI workflow name

fix: block requests exactly at MaxRequests limit

feat: add Redis to docker-compose for local testing

fix: reset rate limit window in GetRequests

Merge pull request #4 from devfullcycle/devin/1739039928-redis-storage

fix: initialize mutex in TestRateLimiter

feat: add Redis storage implementation

chore: remove gRPC port from docker-compose.ci.yaml

chore: remove gRPC testing from CI workflow

chore: remove gRPC implementation to focus on CI pipeline

fix: update import paths to avoid cycle

fix: move proto file to avoid import cycle

fix: add gRPC dependencies

fix: update to Go 1.23 as required

fix: update Go version to 1.21 in go.mod

fix: enable CGO and add build tools for race detection

feat: add CI pipeline with load testing

Merge pull request #2 from devfullcycle/devin/1739038288-improve-conc…

fix: remove unused mutex and imports

Merge pull request #1 from devfullcycle/devin/1739035948-implement-ra…

feat: implement rate limiter

Initial commit