feat: add corex-storage crate for unified storage abstraction

- Introduced corex-storage crate with support for local disk, S3-compatible, and Google Cloud Storage backends.
- Implemented StorageDriver trait for various storage backends.
- Added LocalFileStorage for local disk operations.
- Added S3Storage for S3-compatible object storage with multipart upload support.
- Added GcsStorage for Google Cloud Storage operations.
- Included error handling for storage operations.
- Added tests for each storage backend to ensure functionality.
- Created README.md for documentation and usage examples.
- Added Apache and MIT licenses for open-source compliance.

crates/mytheclipse-cache/Cargo.toml

@@ -0,0 +1,40 @@
+[package]
+name = "corex-cache"
+version = "1.2.0"
+edition = "2021"
+rust-version = "1.75"
+license = "MIT OR Apache-2.0"
+repository = "https://github.com/asepharyana/mytheclipse"
+homepage = "https://github.com/asepharyana/mytheclipse"
+documentation = "https://docs.rs/corex-cache"
+authors = ["asepharyana <superaseph@gmail.com>"]
+description = "Unified multi-layer cache abstraction: L1/L2 caching, cache-aside and auto-refresh, with pluggable backends."
+readme = "README.md"
+keywords = ["cache", "lru", "redis", "multilayer", "cache-aside"]
+categories = ["caching", "asynchronous"]
+
+[features]
+default = ["l1-memory", "cache-aside"]
+# L1 (in-process) backends.
+l1-memory = []
+l1-moka = ["l1-memory", "dep:moka"]
+# L2 (distributed) backends.
+l2-redis = ["l1-memory", "dep:redis"]
+# Cache-aside + auto-refresh helper.
+cache-aside = ["l1-memory", "dep:serde", "dep:serde_json"]
+
+[dependencies]
+tracing = "0.1"
+# Required unconditionally: the core `Cache` trait (always compiled) uses it.
+async-trait = "0.1"
+serde = { version = "1", features = ["derive"], optional = true }
+serde_json = { version = "1", optional = true }
+
+# L1: Moka (high-performance in-memory cache).
+moka = { version = "0.12", default-features = false, features = ["future"], optional = true }
+
+# L2: Redis/Valkey async client (multiplexed connection).
+redis = { version = "0.27", default-features = false, features = ["tokio-comp"], optional = true }
+
+[dev-dependencies]
+tokio = { version = "1.53", features = ["full"] }