Merge pull request #314 from Brikaa/powershell

pkg(pwsh-7.1.4): Added Powershell 7.1.4

packages/pwsh/7.1.4/build.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+curl -L https://github.com/PowerShell/PowerShell/releases/download/v7.1.4/powershell-7.1.4-linux-x64.tar.gz -o powershell.tar.gz
+tar zxf powershell.tar.gz
+rm powershell.tar.gz
+
+chmod +x pwsh

packages/pwsh/7.1.4/environment

@@ -0,0 +1 @@
+export PATH=$PWD:$PATH

packages/pwsh/7.1.4/metadata.json

@@ -0,0 +1,10 @@
+{
+    "language": "pwsh",
+    "version": "7.1.4",
+    "provides": [
+        {
+            "language": "powershell",
+            "aliases": ["ps", "pwsh", "ps1"]
+        }
+    ]
+}

packages/pwsh/7.1.4/run

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+pwsh "$@"

packages/pwsh/7.1.4/test.ps1

@@ -0,0 +1 @@
+echo "OK"

readme.md

@@ -348,6 +348,7 @@ Content-Type: application/json
 `perl`,
 `php`,
 `ponylang`,
+`powershell`,
 `prolog`,
 `pure`,
 `pyth`,