Reduce progress component to (more or less) a pure view function

We really only need the View function in this case since the progress
value will come from the program that implements this.

progress/progress.go

@@ -3,14 +3,10 @@ package progress
 import (
 	"strings"
 
-	tea "github.com/charmbracelet/bubbletea"
 	"github.com/lucasb-eyer/go-colorful"
 	"github.com/muesli/termenv"
 )
 
-// Value is explicit type of, you know, progression. Can be 0.0 < x < 1.0.
-type Value float64
-
 type Model struct {
 	// Left side color of progress bar. By default, it's #00dbde
 	StartColor colorful.Color
@@ -21,10 +17,6 @@ type Model struct {
 	// Width of progress bar in symbols.
 	Width int
 
-	// Which part of bar need to visualise. Can be 0.0 < Progress < 1.0, if value is bigger or smaller, it'll
-	// be mapped to this values
-	Progress float64
-
 	// filament rune of done part of progress bar. it's █ by default
 	FilamentSymbol rune
 
@@ -49,28 +41,8 @@ func NewModel(size int) *Model {
 	}
 }
 
-func (m *Model) Init() tea.Cmd {
+func (m *Model) View(percent float64) string {
-	return nil
+	ramp := make([]string, int(float64(m.Width)*percent))
-}
-
-func (m *Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
-	switch cmd := msg.(type) {
-	case Value:
-		if cmd > 1 {
-			cmd = 1
-		}
-		if cmd < 0 {
-			cmd = 0
-		}
-
-		m.Progress = float64(cmd)
-	}
-
-	return m, nil
-}
-
-func (m *Model) View() string {
-	ramp := make([]string, int(float64(m.Width)*m.Progress))
 	for i := 0; i < len(ramp); i++ {
 		gradientPart := float64(m.Width)
 		if m.FullGradientMode {