add my own session manager

sesh/vendor/github.com/ktr0731/go-fuzzyfinder/tcell.go

@@ -0,0 +1,15 @@
+package fuzzyfinder
+
+import (
+	"github.com/gdamore/tcell/v2"
+)
+
+type screen tcell.Screen
+
+type terminal interface {
+	screen
+}
+
+type termImpl struct {
+	screen
+}