feat: add neofetch, fix buffer backspacing

src/program/Neofetch.ts

@@ -0,0 +1,29 @@
+import type { SimpleStream } from '../utils/SimpleStream'
+import { Program } from './Program'
+
+export class Neofetch extends Program {
+    async Exec(_: SimpleStream<string>, stdout: SimpleStream<string>, __: string[]): Promise<number> {
+        const art = `++++++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++
++++++++++++++++++++++;..:+++++
+++++            ++         +++
+++++++++.   +++++    +++++++++
+++++++++.   +++++:    ++++++++
+++++++++.   ++++++;       ++++
+++++++++.   ++++++++++.    +++
+++++++++.   +++++.++++++   ;++
+++++++++.   +++++          +++
+++++++++;...++++++;     ;+++++
+++++++++++++++++++++++++++++++`
+
+        art.split("\n").forEach(line => {
+            stdout.emit(`${line}\n`)
+        })
+
+        return 0
+    }
+}