Font selection for text layers (#585)

* Add font dropdown

* Add fonts

* Font tool options

* Fix tests

* Replace http with https

* Add variant selection

* Do not embed default font

* Use proxied font list API

* Change default font to Merriweather

* Remove outdated comment

* Specify font once & load font into foreignobject

* Fix tests

* Rename variant to font_style

* Change TextAreaInput to use FieldInput (WIP, breaks functionality)

* Fix textarea functionality

* Fix types

* Add weight name mapping

* Change labeling of "Italic"

* Remove commented HTML node

* Rename font "name" to "font_family" and "file" "font_file"

* Fix errors

* Fix fmt

Co-authored-by: Keavon Chambers <keavon@keavon.com>

graphene/src/operation.rs

@@ -53,6 +53,9 @@ pub enum Operation {
 		text: String,
 		style: style::PathStyle,
 		size: f64,
+		font_name: String,
+		font_style: String,
+		font_file: Option<String>,
 	},
 	AddImage {
 		path: Vec<LayerId>,
@@ -119,6 +122,13 @@ pub enum Operation {
 	DuplicateLayer {
 		path: Vec<LayerId>,
 	},
+	ModifyFont {
+		path: Vec<LayerId>,
+		font_family: String,
+		font_style: String,
+		font_file: Option<String>,
+		size: f64,
+	},
 	RenameLayer {
 		layer_path: Vec<LayerId>,
 		new_name: String,