feat: add gi_gen package

Formula/g/gi_gen.rb

@@ -0,0 +1,18 @@
+class GiGen < Formula
+  desc "Gitignore generator for any type of project"
+  homepage "https://casraf.dev"
+  url "https://github.com/chenasraf/gi_gen/archive/refs/tags/v0.3.13.tar.gz"
+  sha256 "be417fb34494e26d81f054c762998ea1078e637d4b1b712b97d3b77c237922d0"
+  license "MIT"
+
+  depends_on "go" => [:build]
+
+  def install
+    system "go", "build", "-buildmode", "exe", "-o", "gi_gen", "."
+    bin.install "gi_gen"
+  end
+
+  test do
+    assert_match "Usage: gi_gen [options]", shell_output("gi_gen -h 2>&1 | head -1")
+  end
+end

README.md

@@ -32,8 +32,27 @@ brew "<formula>"
 
 ## Available Formulae
 
-- `treelike` - https://github.com/chenasraf/treelike
+- [treelike](https://github.com/chenasraf/treelike) - Outputs a Tree-like representation from
+  strings
+- [gi_gen](https://github.com/chenasraf/gi_gen) - Gitignore generator for any type of project
 
 ## Documentation
 
-See more info about brew using `brew help`, `man brew` or check [Homebrew's documentation](https://docs.brew.sh).
+See more info about brew using `brew help`, `man brew` or check
+[Homebrew's documentation](https://docs.brew.sh).
+
+## Contributing
+
+I am developing these packages on my free time, so any support, whether code, issues, or just stars
+is very helpful to sustaining their life. If you are feeling incredibly generous and would like to
+donate just a small amount to help sustain this project, I would be very very thankful!
+
+<a href='https://ko-fi.com/casraf' target='_blank'>
+  <img height='36' style='border:0px;height:36px;'
+    src='https://cdn.ko-fi.com/cdn/kofi1.png?v=3'
+    alt='Buy Me a Coffee at ko-fi.com' />
+</a>
+
+I welcome any issues or pull requests on GitHub. If you find a bug, or would like a new feature,
+don't hesitate to open an appropriate issue in the respective package's repository and I will do my
+best to reply promptly.