Add orbterm recipe, fix missing repo dir

recipes/orbterm/recipe.toml

+[source]
+git = "https://gitlab.redox-os.org/redox-os/orbterm.git"
+
+[build]
+template = "custom"
+script = """
+COOKBOOK_CARGO_FLAGS=(
+    --path "${COOKBOOK_SOURCE}"
+    --root "${COOKBOOK_STAGE}/ui"
+)
+cookbook_cargo
+"""

repo.sh

@@ -82,6 +82,8 @@ do
     fi
 done
 
+mkdir -p "$REPO"
+
 for recipe in $recipes
 do
     if [ "recipes/$recipe/stage.tar.gz" -nt "$REPO/$recipe.tar.gz" ]