ft: add clean theme

presentation.typ

@@ -0,0 +1,41 @@
+#import "theme.typ": *
+
+#show: presentation.with(
+  author: [Sample Author \<me\@example.org\>],
+  title: [Sample Title],
+  occasion: [Sample Occasion],
+  date: [01.01.1970],
+  logos: ("figures/typst.svg", "figures/polylux.png", "figures/ferris.png"),
+  logo_height: 40%,
+  footer: [This is a really cool footer],
+)
+
+#section("My Section")
+#slide(title: "My Title")[
+  #grid(
+    columns: (50%, 50%),
+    [
+      - #lorem(10)
+      - #lorem(10)
+      - #lorem(10)
+      - #lorem(10)
+    ],
+    image("figures/ferris.png")
+  )
+]
+
+#focus-slide()[
+  We need to focus now...
+]
+
+#slide(title: "Some code!")[
+  #figure(
+    sourcecode(```rust
+    enum Foo {
+        Bar1(Box<Foo>),
+        Bar2(String),
+    }
+    ```),
+    caption: [Some awesome Rust!]
+  )
+]