General fixes and additions

- Improve readability on larger and smaller screens
- Re-add page signing with a custom script (which is signed of course)
- Posts are now centered on large screens
- <code> now stops overflowing and receives a scrollbar
- The mobile page now stops to overflow

assets/files/verify.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+[[ -z "$1" ]] && echo "Usage: verify.sh <url>" && exit 1 
+
+SIG=`mktemp`
+RAW=`mktemp`
+
+CONTENT=$(curl --silent "$1")
+
+# Extract the signature
+echo "$CONTENT" | awk '/-----BEGIN PGP SIGNATURE-----/{p=1};{if (p==1){a[NR]=$0}};/-----END PGP SIGNATURE-----/{for (i in a) print a[i]}' > "$SIG"
+# "Re-create" the page content before the signing process
+echo "$CONTENT" | awk '/-----BEGIN PGP SIGNATURE-----/{p=1;f=0};{if (p!=1){print $0}; if (p==1 && f==0) {print "%%%SIGNED_PAGES_PGP_SIGNATURE%%%"; f=1}};/-----END PGP SIGNATURE-----/{p=0}' > "$RAW"
+
+GPG_OUT=`gpg --verify "$SIG" "$RAW"`
+RET=$?
+rm "$SIG" "$RAW"
+
+exit "$RET"