feat: initial implementation of emojify-go

Complete Go rewrite of the emojify bash script with 169.9x performance improvement.
Provides bidirectional emoji conversion between aliases (:smile:) and Unicode (😄).

Features:
- Lightning-fast cross-platform CLI tool
- Encode emoji aliases to Unicode characters
- Decode Unicode emojis back to aliases
- Comprehensive test suite and CI/CD pipeline
- Docker support and release automation

Author: damienbutt

.chglog/CHANGELOG.tpl.md

@@ -0,0 +1,56 @@
+{{ if .Versions -}}
+<a name="unreleased"></a>
+## [Unreleased]
+
+{{ if .Unreleased.CommitGroups -}}
+{{ range .Unreleased.CommitGroups -}}
+### {{ .Title }}
+{{ range .Commits -}}
+- {{ if .Scope }}**{{ .Scope }}:** {{ end }}{{ .Subject }}
+{{ end }}
+{{ end -}}
+{{ end -}}
+{{ end -}}
+
+{{ range .Versions }}
+<a name="{{ .Tag.Name }}"></a>
+## {{ if .Tag.Previous }}[{{ .Tag.Name }}]{{ else }}{{ .Tag.Name }}{{ end }} - {{ datetime "2006-01-02" .Tag.Date }}
+{{ range .CommitGroups -}}
+### {{ .Title }}
+{{ range .Commits -}}
+- {{ if .Scope }}**{{ .Scope }}:** {{ end }}{{ .Subject }}
+{{ end }}
+{{ end -}}
+
+{{- if .RevertCommits -}}
+### Reverts
+{{ range .RevertCommits -}}
+- {{ .Revert.Header }}
+{{ end }}
+{{ end -}}
+
+{{- if .MergeCommits -}}
+### Pull Requests
+{{ range .MergeCommits -}}
+- {{ .Header }}
+{{ end }}
+{{ end -}}
+
+{{- if .NoteGroups -}}
+{{ range .NoteGroups -}}
+### {{ .Title }}
+{{ range .Notes }}
+{{ .Body }}
+{{ end }}
+{{ end -}}
+{{ end -}}
+{{ end -}}
+
+{{- if .Versions }}
+[Unreleased]: {{ .Info.RepositoryURL }}/compare/{{ $latest := index .Versions 0 }}{{ $latest.Tag.Name }}...HEAD
+{{ range .Versions -}}
+{{ if .Tag.Previous -}}
+[{{ .Tag.Name }}]: {{ $.Info.RepositoryURL }}/compare/{{ .Tag.Previous.Name }}...{{ .Tag.Name }}
+{{ end -}}
+{{ end -}}
+{{ end -}}

.chglog/config.yml

@@ -0,0 +1,28 @@
+style: github
+template: CHANGELOG.tpl.md
+info:
+  title: CHANGELOG
+  repository_url: https://github.com/damienbutt/emojify
+options:
+  commits:
+    # filters:
+    #   Type:
+    #     - feat
+    #     - fix
+    #     - perf
+    #     - refactor
+  commit_groups:
+    # title_maps:
+    #   feat: Features
+    #   fix: Bug Fixes
+    #   perf: Performance Improvements
+    #   refactor: Code Refactoring
+  header:
+    pattern: "^(\\w*)(?:\\(([\\w\\$\\.\\-\\*\\s]*)\\))?\\:\\s(.*)$"
+    pattern_maps:
+      - Type
+      - Scope
+      - Subject
+  notes:
+    keywords:
+      - BREAKING CHANGE

.dockerignore

@@ -0,0 +1,51 @@
+# Git files
+.git
+.gitignore
+.gitattributes
+
+# Documentation
+README.md
+CHANGELOG.md
+CONTRIBUTING.md
+LICENSE
+*.md
+
+# Build artifacts
+build/
+dist/
+coverage.out
+coverage.html
+test-results.json
+benchmark-results.txt
+make_test_result.txt
+
+# IDE and editor files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# Docker files
+Dockerfile*
+docker-compose*.yml
+.dockerignore
+
+# CI/CD files
+.github/
+lefthook.yml
+
+# Scripts and tools
+scripts/
+Makefile
+
+# Test files (exclude from production builds)
+*_test.go
+tests/
+
+# Assets (if not needed in container)
+assets/

.editorconfig

@@ -0,0 +1,22 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = tab
+tab_width = 4
+trim_trailing_whitespace = true
+
+[*.go]
+indent_style = tab
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.{yml,yaml}]
+tab_width = 2
+
+[Makefile]
+indent_style = tab

.gitattributes

@@ -0,0 +1,104 @@
+# Common settings that generally should always be used with your language specific settings
+
+# Auto detect text files and perform LF normalization
+*          text=auto
+
+#
+# The above will handle all files NOT found below
+#
+
+# Documents
+*.bibtex   text diff=bibtex
+*.doc      diff=astextplain
+*.DOC      diff=astextplain
+*.docx     diff=astextplain
+*.DOCX     diff=astextplain
+*.dot      diff=astextplain
+*.DOT      diff=astextplain
+*.pdf      diff=astextplain
+*.PDF      diff=astextplain
+*.rtf      diff=astextplain
+*.RTF      diff=astextplain
+*.md       text diff=markdown
+*.mdx      text diff=markdown
+*.tex      text diff=tex
+*.adoc     text
+*.textile  text
+*.mustache text
+*.csv      text eol=crlf
+*.tab      text
+*.tsv      text
+*.txt      text
+*.sql      text
+*.epub     diff=astextplain
+
+# Graphics
+*.png      binary
+*.jpg      binary
+*.jpeg     binary
+*.gif      binary
+*.tif      binary
+*.tiff     binary
+*.ico      binary
+# SVG treated as text by default.
+*.svg      text
+# If you want to treat it as binary,
+# use the following line instead.
+# *.svg    binary
+*.eps      binary
+
+# Scripts
+*.bash     text eol=lf
+*.fish     text eol=lf
+*.ksh      text eol=lf
+*.sh       text eol=lf
+*.zsh      text eol=lf
+# These are explicitly windows files and should use crlf
+*.bat      text eol=crlf
+*.cmd      text eol=crlf
+*.ps1      text eol=crlf
+
+# Serialisation
+*.json     text
+*.toml     text
+*.xml      text
+*.yaml     text
+*.yml      text
+
+# Archives
+*.7z       binary
+*.bz       binary
+*.bz2      binary
+*.bzip2    binary
+*.gz       binary
+*.lz       binary
+*.lzma     binary
+*.rar      binary
+*.tar      binary
+*.taz      binary
+*.tbz      binary
+*.tbz2     binary
+*.tgz      binary
+*.tlz      binary
+*.txz      binary
+*.xz       binary
+*.Z        binary
+*.zip      binary
+*.zst      binary
+
+# Text files where line endings should be preserved
+*.patch    -text
+
+#
+# Exclude files from exporting
+#
+
+.gitattributes export-ignore
+.gitignore     export-ignore
+.gitkeep       export-ignore
+
+# Treat all Go files in this repo as binary, with no git magic updating
+# line endings. Windows users contributing to Go will need to use a
+# modern version of git and editors capable of LF line endings.
+
+*.go -text diff=golang