fix: empty alias crash

aliases.txt

@@ -1,5 +1,5 @@
 ssh         /static/ssh
 pgp         /static/pgp.asc
 termux.sh   https://git.gmoker.com/ange/termux/raw/branch/main/install.sh
-dotfiles.sh
-archinstall.sh
+dotfiles.sh https://git.gmoker.com/ange/.dotfiles
+arch.sh     https://git.gmoker.com/ange/arch

src/aliases.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-    "bufio"
     "log"
     "os"
     "strings"
@@ -10,16 +9,17 @@ import (
 var ALIASES map[string]string
 
 func generateAliases() {
-    f, err := os.Open("aliases.txt")
+    f, err := os.ReadFile("aliases.txt")
     if err != nil {
         log.Fatal(err)
     }
-    sc := bufio.NewScanner(f)
 
     ALIASES = make(map[string]string)
-    for sc.Scan() {
-        sp := strings.Fields(sc.Text())
+    for l := range strings.SplitSeq(string(f), "\n") {
+        sp := strings.Fields(l)
 
+        if len(sp) == 2 {
             ALIASES[sp[0]] = sp[1]
         }
+    }
 }