LSP working for Ruby

It is my dream that all language servers would be so easy

backend/src/langs.ts

@@ -819,6 +819,7 @@ binding_irb = IRB::Irb.new(workspace)
 binding_irb.run(IRB.conf)
 `,
     run: "ruby main.rb",
+    lsp: "solargraph stdio",
     template: `puts "Hello, world!"
 `,
   },

scripts/docker-install-phase3c.bash

@@ -57,6 +57,7 @@ qemu-user-static
 
 # Ruby
 ruby
+ruby-dev
 
 "
 

scripts/docker-install-phase4.bash

@@ -50,6 +50,9 @@ cpanm -n Devel::REPL
 # ReasonML
 npm install -g bs-platform
 
+# Ruby
+gem install solargraph
+
 # Rust
 rustup component add rls rust-analysis rust-src