[WIP] add error_squiggle gem

```
$ ./local/bin/ruby -e '1.time {}'
-e:1:in `<main>': undefined method `time' for 1:Integer (NoMethodError)

1.time {}
 ^^^^^
Did you mean?  times
```

https://bugs.ruby-lang.org/issues/17930

1 files changed, 6 insertions, 0 deletions

diff --git a/gem_prelude.rb b/gem_prelude.rb
index c4debb6509..f5616e6b68 100644
--- a/gem_prelude.rb
+++ b/gem_prelude.rb
@@ -5,6 +5,12 @@ rescue LoadError
 end if defined?(Gem)
 
 begin
+  require 'error_squiggle'
+rescue LoadError
+  warn "`error_squiggle' was not loaded."
+end if defined?(ErrorSquiggle)
+
+begin
   require 'did_you_mean'
 rescue LoadError
   warn "`did_you_mean' was not loaded."