Merge pull request ruby#315 from yui-knk/readme

Readme

README.md

@@ -95,6 +95,13 @@ $ bundle exec rbs collection install
 $ bundle exec steep check
 ```
 
+Running both of them:
+
+```shell
+$ bundle install
+$ bundle exec rake
+```
+
 ### Profiling Lrama
 
 #### 1. Create parse.tmp.y in ruby/ruby
@@ -140,7 +147,7 @@ $ stackprof --d3-flamegraph tmp/stackprof-cpu-myapp.dump > tmp/flamegraph.html
 
 ## Release flow
 
-1. Update `Lrama::VERSION`
+1. Update `Lrama::VERSION` and NEWS.md
 2. Release as a gem by `rake release`
 3. Update Lrama in ruby/ruby by `cp -r LEGAL.md NEWS.md MIT exe lib template ruby/tool/lrama`
 4. Create new release on [GitHub](https://github.com/ruby/lrama/releases)