cargo toml add extension static

adding doc

core/Cargo.toml

@@ -14,7 +14,7 @@ name = "limbo_core"
 path = "lib.rs"
 
 [features]
-default = ["fs", "uuid", "time", "json"]
+default = ["fs", "uuid", "time", "json", "static"]
 fs = ["limbo_ext/vfs"]
 json = []
 uuid = ["limbo_uuid/static"]
@@ -27,6 +27,7 @@ series = ["limbo_series/static"]
 ipaddr = ["limbo_ipaddr/static"]
 completion = ["limbo_completion/static"]
 testvfs = ["limbo_ext_tests/static"]
+static = ["limbo_ext/static"]
 
 [target.'cfg(target_os = "linux")'.dependencies]
 io-uring = { version = "0.6.1", optional = true }

extensions/core/README.md

@@ -22,6 +22,9 @@ cargo new --lib extensions/your_crate_name
 
 Add the crate to your `extensions/your_crate_name/Cargo.toml`:
 
+This modification in `Cargo.toml` is only needed if you are creating an extension as a separate Crate. If you are 
+creating an extension inside `core`, this step should be skipped.
+
 ```toml
 
 [features]