Add annotated string styles

src/commonMain/kotlin/com/mattprecious/stacker/rendering/styles.kt

@@ -2,20 +2,50 @@ package com.mattprecious.stacker.rendering
 
 import com.github.ajalt.colormath.model.RGB
 import com.github.ajalt.mordant.rendering.TextStyle
+import com.jakewharton.mosaic.text.AnnotatedString
+import com.jakewharton.mosaic.text.SpanStyle
+import com.jakewharton.mosaic.ui.Color
+import com.jakewharton.mosaic.ui.TextStyle.Companion.Italic
 
 private val branch = TextStyle(
 	color = RGB("#bd93f9"),
 	italic = true,
 )
 
+private val branchStyle = SpanStyle(
+	color = Color(189, 147, 249),
+	textStyle = Italic,
+)
+
 private val code = TextStyle(
 	color = RGB("#61afef"),
 )
 
+private val codeStyle = SpanStyle(
+	color = Color(97, 175, 239),
+)
+
 fun String.styleBranch(): String {
 	return branch(this)
 }
 
 fun String.styleCode(): String {
 	return code(this)
 }
+
+fun AnnotatedString.Builder.branch(content: AnnotatedString.Builder.() -> Unit) {
+	withStyle(branchStyle, content)
+}
+
+fun AnnotatedString.Builder.code(content: AnnotatedString.Builder.() -> Unit) {
+	withStyle(codeStyle, content)
+}
+
+private fun AnnotatedString.Builder.withStyle(
+	style: SpanStyle,
+	content: AnnotatedString.Builder.() -> Unit,
+) {
+	pushStyle(style)
+	content()
+	pop()
+}