Add Bash, PHP, Perl

src/languages/bash.js

@@ -0,0 +1,11 @@
+const Language = require('../struct/Language');
+
+class Bash extends Language {
+    constructor() {
+        super('bash', {
+            aliases: ['bash', 'sh']
+        });
+    }
+}
+
+module.exports = Bash;

src/languages/perl.js

@@ -0,0 +1,11 @@
+const Language = require('../struct/Language');
+
+class Perl extends Language {
+    constructor() {
+        super('perl', {
+            aliases: ['perl', 'pl']
+        });
+    }
+}
+
+module.exports = Perl;

src/languages/php.js

@@ -0,0 +1,11 @@
+const Language = require('../struct/Language');
+
+class PHP extends Language {
+    constructor() {
+        super('php', {
+            aliases: ['php']
+        });
+    }
+}
+
+module.exports = PHP;