Add example Lita instance

example/Gemfile

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+# frozen_string_literal: true
+
+source 'https://rubygems.org'
+
+gem 'lita', '~> 4.4.0'
+
+gem 'lita-tox', path: '..'

example/Gemfile.lock

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+PATH
+  remote: ..
+  specs:
+    lita-tox (0.3.0)
+      lita (~> 4.4)
+      tox (~> 0.0.1)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    faraday (0.12.1)
+      multipart-post (>= 1.2, < 3)
+    http_router (0.11.2)
+      rack (>= 1.0.0)
+      url_mount (~> 0.2.1)
+    i18n (0.8.6)
+    ice_nine (0.11.2)
+    lita (4.4.3)
+      bundler (>= 1.3)
+      faraday (>= 0.8.7)
+      http_router (>= 0.11.1)
+      i18n (>= 0.6.9)
+      ice_nine (>= 0.11.0)
+      multi_json (>= 1.7.7)
+      puma (>= 2.7.1)
+      rack (>= 1.5.2)
+      rb-readline (>= 0.5.1)
+      redis-namespace (>= 1.3.0)
+      thor (>= 0.18.1)
+    multi_json (1.12.1)
+    multipart-post (2.0.0)
+    puma (3.9.1)
+    rack (2.0.3)
+    rb-readline (0.5.4)
+    redis (3.3.3)
+    redis-namespace (1.5.3)
+      redis (~> 3.0, >= 3.0.4)
+    thor (0.19.4)
+    tox (0.0.1)
+    url_mount (0.2.1)
+      rack
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  lita (~> 4.4.0)
+  lita-tox!
+
+BUNDLED WITH
+   1.13.6

example/lita_config.rb

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+# frozen_string_literal: true
+
+Lita.configure do |config|
+  config.robot.name = 'Lita'
+
+  config.robot.adapter = :tox
+
+  config.adapters.tox.savedata_filename = 'savedata'
+  config.adapters.tox.status = "Send me \"#{config.robot.name}: help\""
+end