Prepare for publishing to crates.io

This will make it easier to distribute ivm, especially on Windows.

Cargo.toml

@@ -4,6 +4,11 @@ version = "0.1.0" # VERSION
 authors = ["Yorick Peterse <yorick@yorickpeterse.com>"]
 edition = "2018"
 license = "MPL-2.0"
+description = "The cross-platform Inko version manager"
+repository = "https://gitlab.com/inko-lang/ivm"
+readme = "README.md"
+keywords = ["inko", "version manager"]
+categories = ["command-line-utilities"]
 
 [dependencies]
 getopts = "^0.2"

README.md

@@ -24,12 +24,14 @@ Since Inko requires a 64-bits platform, so does ivm.
 
 ## Installation
 
-First clone the Git repository:
+You can install ivm using `cargo`:
 
-    git clone git@gitlab.com:inko-lang/ivm.git
+    cargo install ivm --force
 
-Then build it:
+Alternatively, you can build from source:
 
+    git clone git@gitlab.com:inko-lang/ivm.git
+    cd ivm
     cargo build --release
 
 You can now move `target/release/ivm` into your PATH.