feat: add font settings

src/ts/gui/colorscheme.ts

@@ -225,4 +225,19 @@ export function updateTextTheme(){
             break
         }
     }
+
+    switch(db.font){
+        case "default":{
+            root.style.setProperty('--risu-font-family', 'Arial, sans-serif');
+            break
+        }
+        case "timesnewroman":{
+            root.style.setProperty('--risu-font-family', 'Times New Roman, serif');
+            break
+        }
+        case "custom":{
+            root.style.setProperty('--risu-font-family', db.customFont);
+            break
+        }
+    }
 }

src/ts/storage/database.ts

@@ -413,6 +413,8 @@ export function setDatabase(data:Database){
     data.dallEQuality ??= 'standard'
     data.customTextTheme.FontColorQuote1 ??= '#8BE9FD'
     data.customTextTheme.FontColorQuote2 ??= '#FFB86C'
+    data.font ??= 'default'
+    data.customFont ??= ''
     changeLanguage(data.language)
     DataBase.set(data)
 }
@@ -680,6 +682,8 @@ export interface Database{
     cohereAPIKey:string
     goCharacterOnImport:boolean
     dallEQuality:string
+    font: string
+    customFont: string
 }
 
 export interface customscript{