docs: document -load flag for custom font loading

Author: superstarryeyes

README.md

@@ -121,6 +121,10 @@ bit -font ithaca -color 31 "Red Text"
 # List all fonts
 bit -list
 
+# Load custom font or directory of fonts (along with built-in fonts)
+bit -load ./myfont.bit
+bit -load ./fonts/
+
 # Show help
 bit -help
 ```

cmd/bit/main.go

@@ -67,8 +67,8 @@ func main() {
 		fmt.Fprintf(os.Stderr, "  bit -font ithaca -color \"#FF0000\" \"Red Hex\"            # Hex color\n")
 		fmt.Fprintf(os.Stderr, "  bit -font dogica -color 31 -gradient 34 \"Gradient\"     # Gradient\n")
 		fmt.Fprintf(os.Stderr, "  bit -font pressstart -color 32 -shadow \"Shadow\"        # With shadow\n")
-		fmt.Fprintf(os.Stderr, "  bit -load ./myfont.bit \"Custom\"                         # Load custom font file\n")
-		fmt.Fprintf(os.Stderr, "  bit -load ./fonts/ -list                              # Load custom font directory\n")
+		fmt.Fprintf(os.Stderr, "  bit -load ./myfont.bit \"Custom\"                        # Load custom font file\n")
+		fmt.Fprintf(os.Stderr, "  bit -load ./fonts/ -list                               # Load custom font directory\n")
 	}
 
 	flag.Parse()