added gallery rendering script

gallery.bash

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+PDFS=false
+
+while getopts "p" flag
+do
+    case "${flag}" in
+        p) PDFS=true;;
+    esac
+done
+
+echo "Generating gallery images"
+
+set -- ./gallery/*.typ
+cnt="$#"
+i=1
+for f
+do
+    f2="${f/typ/png}"
+    echo "($i/$cnt) $f -> $f2"
+    typst c --root ./ "$f" "$f2"
+    i=$((i+1))
+done
+
+if [ "$PDFS" = true ]
+then
+    echo
+    echo "Generating gallery PDFs"
+
+    set -- ./gallery/*.typ
+    cnt="$#"
+    i=1
+    for f
+    do
+        f2="${f/typ/pdf}"
+        echo "($i/$cnt) $f -> $f2"
+        typst c --root ./ "$f" "$f2"
+        i=$((i+1))
+    done
+fi