added PKGBUILD for AUR

PKGBUILD

@@ -0,0 +1,28 @@
+# Maintainer: Bryan Joshua Pedini <bryan [at] pedini [dot] dev>
+
+_pkgname="pman"
+pkgname="$_pkgname-helper"
+pkgver="1.2.0"
+pkgrel="1"
+pkgdesc="A `pacman` helper script, because you forget all the stupid flags"
+url="https://git.bjphoster.com/source/$_pkgname"
+arch=("any")
+license=("MIT")
+depends=("bash" "pacman")
+conflicts=("pman") # Another package called `pman` currently exists in the AUR
+source=(
+    "LICENSE"
+    "pman.sh"
+)
+sha256sums=(
+    "3964e8cf1894ecfea6ca57cf350e7a538229cd205ac35293ea8bf3fb19c0b86f"
+    "6bb6aab1dd31ae0a326a24afc34e62da13d482843fad5872562135007b43f1a5"
+)
+md5sums=(
+    "72db3ecfa718db796cd818f883cbdc68"
+    "369ea3fa3fb44dcfe035a297f64af9e5"
+)
+package() {
+    install -Dm644 LICENSE "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"
+    install -Dm755 pman.sh "${pkgdir}/usr/bin/${_pkgname}"
+}