message: Add an `Installation` section to usage
  Because copypasta is the best pasta.
diff: @@ -28,10 +28,21 @@ a repo and the commit containing your project and paste the verbose output).
  ## Usage
  +### Installation
  +
  Tarpaulin depends on cargo which depends on SSL. Make sure you've installed
  your distros ssl development libraries and they are on your path before
  attempting to install tarpaulin.
  +Tarpaulin is a command-line program, you install it into your linux development
  +environment with cargo install:
  +
  +```text
  +cargo install cargo-tarpaulin
  +```
  +
  +### Command line
  +
  To get detailed help on available arguments when running tarpaulin call:
  ```text
  cargo tarpaulin --help
  