CI and initialise with copyright

.github/workflows/ci.yml

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+name: CI
+
+on:
+  pull_request:
+  push:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - emacs: 27.1
+            ts: false
+            lint: true
+          - emacs: snapshot
+            ts: true
+            lint: true
+    steps:
+    - uses: purcell/setup-emacs@master
+      with:
+        version: ${{ matrix.emacs }}
+    - uses: actions/checkout@v4
+
+    - name: Install package-lint
+      run: emacs -Q -l .github/workflows/init.el -batch
+                    --eval "(package-install 'package-lint)"
+
+    - name: Lint evangelion-theme
+      run: emacs -Q -l .github/workflows/init.el -batch
+                    -f package-lint-batch-and-exit
+                    evangelion-theme.el
+
+    - name: Byte-compile
+      run: emacs -Q -l .github/workflows/init.el -batch
+                    -L .
+                    --eval "(setq byte-compile-error-on-warn t)"
+                    -f batch-byte-compile
+                    *.el

.github/workflows/init.el

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+(progn
+  (require 'package)
+  (push '("melpa" . "https://melpa.org/packages/") package-archives)
+  (package-initialize)
+  (unless (seq-find (lambda (e) (string= "melpa" (package-desc-archive (cadr e)))) package-archive-contents)
+    (package-refresh-contents)))

evangelion-theme.el

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+;;; evangelion-theme.el --- a purple colorscheme inspired by neon genesis evangelion -*- lexical-binding: t; -*-
+;;; Version: 0.01
+
+;; Copyright (C) 2024 Andrew Jose, xero harrison
+
+;; SPDX-License-Identifier: GPL-3.0-or-later
+;; Author: Andrew Jose <[email protected]>
+;; Maintainer: Andrew Jose <[email protected]>
+;; URL: https://github.com/crmsnbleyd/evangelion-theme
+;; Package-Requires: ((emacs "27.1"))
+;; Keywords: faces, theme