chore: add documentation server and adjust Ruby compatibility

- Add Rakefile task for local documentation server using WEBrick
- Update Ruby version requirement to support 2.6-3.2
- Update configuration files and CI workflow accordingly
- Update CHANGELOG.md release date

Author: Youngv

.github/workflows/main.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        ruby: ['3.2.3']
+        ruby: ['2.6', '3.2']
 
     runs-on: ${{ matrix.os }}
     name: Ruby ${{ matrix.ruby }} on ${{ matrix.os }}

.rubocop.yml

@@ -1,5 +1,5 @@
 AllCops:
-  TargetRubyVersion: 3.0
+  TargetRubyVersion: 2.6
 
 Style/StringLiterals:
   Enabled: true

CHANGELOG.md

@@ -15,7 +15,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Renamed main file from `lib/ta_lib.rb` to `lib/ta_lib_ffi.rb`
 - Updated require statements in specs and gemspec
 
-## [0.1.0] - 2024-01-21
+## [0.1.0] - 2025-01-21
 
 ### Added
 - Initial release of ta_lib_ffi

Gemfile.lock

@@ -63,6 +63,7 @@ GEM
     unicode-display_width (3.1.4)
       unicode-emoji (~> 4.0, >= 4.0.4)
     unicode-emoji (4.0.4)
+    webrick (1.9.1)
 
 PLATFORMS
   ruby
@@ -74,6 +75,7 @@ DEPENDENCIES
   rubocop-rspec (~> 3.3)
   ruby-lsp-rspec (~> 0.1.20)
   ta_lib_ffi!
+  webrick (~> 1.9)
 
 BUNDLED WITH
-   2.5.6
+   2.4.22

README.md

@@ -8,7 +8,7 @@ TALibFFI is a Ruby binding for [TA-Lib](https://ta-lib.org/) (Technical Analysis
 
 ## Requirements
 
-- Ruby >= 3.0.0
+- Ruby >= 2.6.0
 - TA-Lib >= 0.6.4
 
 ## Installation

Rakefile

@@ -10,3 +10,22 @@ require "rubocop/rake_task"
 RuboCop::RakeTask.new
 
 task default: %i[spec rubocop]
+
+namespace :doc do
+  desc "Start a local server to view RDoc documentation"
+  task :server do
+    require "webrick"
+    server = WEBrick::HTTPServer.new(
+      Port: 8808,
+      DocumentRoot: File.expand_path("./doc"),
+      AccessLog: [],
+      Logger: WEBrick::Log.new(File::NULL)
+    )
+
+    puts "Documentation server started at http://localhost:8808"
+    puts "Press Ctrl+C to stop"
+
+    trap("INT") { server.shutdown }
+    server.start
+  end
+end

ta_lib_ffi.gemspec

@@ -11,7 +11,7 @@ Gem::Specification.new do |spec|
   spec.description = "A Ruby wrapper for TA-Lib using FFI, providing technical analysis functions for financial market data"
   spec.homepage = "https://github.com/TA-Lib/ta-lib-ruby"
   spec.license = "MIT"
-  spec.required_ruby_version = ">= 3.0.0"
+  spec.required_ruby_version = ">= 2.6.0"
   spec.metadata["allowed_push_host"] = "https://rubygems.org"
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = "https://github.com/TA-Lib/ta-lib-ruby"
@@ -34,6 +34,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rspec", "~> 3.13"
   spec.add_development_dependency "rubocop-rspec", "~> 3.3"
   spec.add_development_dependency "ruby-lsp-rspec", "~> 0.1.20"
+  spec.add_development_dependency "webrick", "~> 1.9"
 
   # For more information and examples about making a new gem, check out our
   # guide at: https://bundler.io/guides/creating_gem.html