fix: provide more helpful success message

A link to documentation and the `git aliases` command are both shown
after a successful install.

scripts/validate-git-version.js

@@ -1,15 +1,23 @@
 const validateGitVersion = require('validate-git-version')
-const { blue, yellow } = require('chalk')
+const { blue, yellow, red, green, reset } = require('chalk')
 const { name: moduleName } = require('../package')
 
 const minimumVersion = '2.6.0'
 
-validateGitVersion(
-  `^${minimumVersion}`,
-  (currentVersion) => console.log(yellow(
-    `⚠️  Git version ${currentVersion} is not compatible with ${moduleName}. Please upgrade to git ${minimumVersion} or later.`
-  )),
-  (currentVersion) => console.log(blue(
-    `🎉  Git version ${currentVersion} is compatible with ${moduleName}.`
-  ))
-)
+const onInValid = (currentVersion) => console.log(yellow(
+`
+⚠️  Git version ${red(currentVersion)} is not compatible with ${moduleName}.
+   Please upgrade to git ${green(minimumVersion)} or later.
+`
+))
+
+const onValid = () => console.log(blue(
+`
+🎉  ${moduleName} install successful!
+
+   Type ${yellow('git aliases')} to view available aliases.
+   ${reset('More documentation is available at https://github.com/jlegrone/git-config.')}
+`
+))
+
+validateGitVersion(`^${minimumVersion}`, onInValid, onValid)