feat: adding ruby runtime support and example (#509)

Author: aavinash-nr

examples/ruby/.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# next.js build output
+.next
+
+dist/
+.serverless
+.serverless_plugins

examples/ruby/Gemfile

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+source "https://rubygems.org"
+
+gem "httparty"
+
+ruby '~> 3.3'

examples/ruby/app.rb

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+# require 'httparty'
+require 'json'
+
+def lambda_handler(event:, context:)
+  # Sample pure Lambda function
+
+  # Parameters
+  # ----------
+  # event: Hash, required
+  #     API Gateway Lambda Proxy Input Format
+  #     Event doc: https://docs.aws.amazon.com/apigateway/latest/developerguide/set-up-lambda-proxy-integrations.html#api-gateway-simple-proxy-for-lambda-input-format
+
+  # context: object, required
+  #     Lambda Context runtime methods and attributes
+  #     Context doc: https://docs.aws.amazon.com/lambda/latest/dg/ruby-context.html
+
+  # Returns
+  # ------
+  # API Gateway Lambda Proxy Output Format: dict
+  #     'statusCode' and 'body' are required
+  #     # api-gateway-simple-proxy-for-lambda-output-format
+  #     Return doc: https://docs.aws.amazon.com/apigateway/latest/developerguide/set-up-lambda-proxy-integrations.html
+
+  # begin
+  #   response = HTTParty.get('http://checkip.amazonaws.com/')
+  # rescue HTTParty::Error => error
+  #   puts error.inspect
+  #   raise error
+  # end
+
+  {
+    statusCode: 200,
+    body: {
+      message: "Hello World!",
+      # location: response.body
+    }.to_json
+  }
+end