Refactor components (#80)

app/MindWork AI Studio/Components/Changelog.razor

@@ -0,0 +1,8 @@
+<MudSelect T="Log" @bind-Value="@this.SelectedLog" Adornment="Adornment.Start" AdornmentIcon="@Icons.Material.Filled.Schedule" Margin="Margin.Dense" Label="Changelog" Class="mb-2 rounded-lg" Variant="Variant.Outlined" SelectedValuesChanged="() => this.ReadLogAsync()" OnKeyUp="() => this.ReadLogAsync()">
+    @foreach (var log in LOGS)
+    {
+        <MudSelectItem Value="@log"/>
+    }
+</MudSelect>
+
+<MudMarkdown Value="@this.LogContent" OverrideHeaderTypo="@Markdown.OverrideHeaderTypo"/>