refactor: use custom render hook

- remove inject-footnotes.js, use a partial that receives `.Content` and
does the injection statically
- use a `utils/render` partial, as custom "render hook"
- reuse `content` partial for all pages

1 files changed, 1 insertions, 0 deletions

diff --git a/layouts/_partials/utils/render.html b/layouts/_partials/utils/render.html
new file mode 100644
index 00000000..bdc4bf2f
--- /dev/null
+++ b/layouts/_partials/utils/render.html
@@ -0,0 +1 @@
+{{ partial "utils/inject-footnotes" . }}