Add MSRV and CHANGELOG

Author: richardeoin

CHANGELOG.md

@@ -0,0 +1,5 @@
+# Changelog
+
+## Unreleased
+
+Initial release.

Cargo.toml

@@ -13,6 +13,10 @@ keywords = ["can", "hal", "bus"]
 categories = ["no-std", "embedded"]
 readme = "README.md"
 
+[package.metadata.docs.rs]
+features = ["fdcan_g0_g4_l5"]
+targets = ["thumbv7em-none-eabihf"]
+
 [features]
 fdcan_g0_g4_l5 = []             # Peripheral map found on G0 G4 L5
 fdcan_h7 = []                   # Peripheral map found on H7

README.md

@@ -16,3 +16,13 @@ Add an entry to your `Cargo.toml`:
 [dependencies]
 fdcan = "0.1.0"
 ```
+
+# Minimum supported Rust version
+
+The Minimum Supported Rust Version (MSRV) at the moment is **1.52.0**. Older
+versions **may** compile, especially when some features are not used
+in your application.
+
+# Changelog
+
+See [CHANGELOG.md](CHANGELOG.md).