Optimize Playground. Add create tool page.

src/components/Playground/shared.ts

@@ -14,6 +14,17 @@ export interface IFiles {
     [key: string]: IFile
 }
 
+export interface ITemplate {
+    name: string
+    tsconfig: ITsconfig
+    importMap: IImportMap
+    files: IFiles
+}
+
+export interface ITemplates {
+    [key: string]: ITemplate
+}
+
 export interface IImportMap {
     imports: Record<string, string>
 }