added script to run tests and related commands (#293)

README.md

@@ -22,9 +22,11 @@ require "lucky_record"
 
 1. Fork it ( https://github.com/luckyframework/lucky_record/fork )
 2. Create your feature branch (git checkout -b my-new-feature)
-3. Commit your changes (git commit -am 'Add some feature')
-4. Push to the branch (git push origin my-new-feature)
-5. Create a new Pull Request
+3. Make your changes
+4. Run `./bin/test` to run the specs, build shards, and check formatting 
+5. Commit your changes (git commit -am 'Add some feature')
+6. Push to the branch (git push origin my-new-feature)
+7. Create a new Pull Request
 
 ## Testing
 

bin/test

@@ -0,0 +1,8 @@
+#! /bin/bash
+
+printf "\nrunning specs with 'crystal spec'\n\n"
+crystal spec
+printf "\nbuilding shards with 'shards build'\n\n"
+shards build
+printf "\nformatting code with 'crystal tool format src spec'\n\n"
+crystal tool format src spec