fix(fonts): fix terminal fonts on Linux (closes #362)

Author: jkuri

src/app/components/app-terminal/app-terminal.component.ts

@@ -43,7 +43,7 @@ export class AppTerminalComponent implements OnInit, OnChanges {
   ngOnInit() {
     const el = this.elementRef.nativeElement.querySelector('.window-terminal-container');
     this.term.open(el);
-    this.term.setOption('fontFamily', 'Monaco');
+    this.term.setOption('fontFamily', 'Monaco, Menlo, "Ubuntu Mono", monospace');
     this.term.setOption('fontSize', 12);
     this.term.setOption('theme', this.theme);
     this.term.fit();

src/styles/terminal.sass

@@ -7,7 +7,7 @@
   background: #000000
   height: 500px
   width: 100%
-  font-family: Monaco, monospace
+  font-family: Monaco, Menlo, "Ubuntu Mono", monospace
   font-size: 12px
   padding: 5px 10px