Update Gemfile

Gemfile

@@ -1,2 +1,12 @@
 source 'https://rubygems.org'
+
 gemspec
+
+group :development do
+  gem 'rake'
+  gem 'ruby-lsp', require: false
+end
+
+group :lint do
+  gem 'rubocop', require: false
+end

Gemfile.lock

@@ -0,0 +1,59 @@
+PATH
+  remote: .
+  specs:
+    asciidoctor-foodogsquared-extensions (1.0.0)
+      asciidoctor (~> 2.0)
+      rugged (~> 1.0)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    asciidoctor (2.0.20)
+    ast (2.4.2)
+    json (2.6.3)
+    language_server-protocol (3.17.0.3)
+    parallel (1.23.0)
+    parser (3.2.2.3)
+      ast (~> 2.4.1)
+      racc
+    prettier_print (1.2.1)
+    racc (1.7.1)
+    rainbow (3.1.1)
+    rake (13.0.6)
+    regexp_parser (2.8.1)
+    rexml (3.2.5)
+    rubocop (1.54.1)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
+      parallel (~> 1.10)
+      parser (>= 3.2.2.3)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8, < 3.0)
+      rexml (>= 3.2.5, < 4.0)
+      rubocop-ast (>= 1.28.0, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.29.0)
+      parser (>= 3.2.1.0)
+    ruby-lsp (0.6.2)
+      language_server-protocol (~> 3.17.0)
+      sorbet-runtime
+      syntax_tree (>= 6.1.1, < 7)
+    ruby-progressbar (1.13.0)
+    rugged (1.6.3)
+    sorbet-runtime (0.5.10902)
+    syntax_tree (6.1.1)
+      prettier_print (>= 1.2.0)
+    unicode-display_width (2.4.2)
+
+PLATFORMS
+  x86_64-linux
+
+DEPENDENCIES
+  asciidoctor-foodogsquared-extensions!
+  rake
+  rubocop
+  ruby-lsp
+
+BUNDLED WITH
+   2.4.10