Use Survey For Interactions With User (#186)

fixes

Use Survey For Interactions With User

Add Vendor "github.com/AlecAivazis/survey/v2"

Co-authored-by: Norwin Roosen <git@nroo.de>
Co-authored-by: 6543 <6543@obermui.de>
Reviewed-on: https://gitea.com/gitea/tea/pulls/186
Reviewed-by: techknowlogick <techknowlogick@gitea.io>
Reviewed-by: Norwin <noerw@noreply.gitea.io>

vendor/github.com/AlecAivazis/survey/v2/terminal/sequences.go

@@ -0,0 +1,30 @@
+package terminal
+
+import (
+	"fmt"
+	"io"
+)
+
+const (
+	KeyArrowLeft       = '\x02'
+	KeyArrowRight      = '\x06'
+	KeyArrowUp         = '\x10'
+	KeyArrowDown       = '\x0e'
+	KeySpace           = ' '
+	KeyEnter           = '\r'
+	KeyBackspace       = '\b'
+	KeyDelete          = '\x7f'
+	KeyInterrupt       = '\x03'
+	KeyEndTransmission = '\x04'
+	KeyEscape          = '\x1b'
+	KeyDeleteWord      = '\x17' // Ctrl+W
+	KeyDeleteLine      = '\x18' // Ctrl+X
+	SpecialKeyHome     = '\x01'
+	SpecialKeyEnd      = '\x11'
+	SpecialKeyDelete   = '\x12'
+	IgnoreKey          = '\000'
+)
+
+func soundBell(out io.Writer) {
+	fmt.Fprint(out, "\a")
+}