Add Aerc and Calcurse

These have more-or-less replaced Thunderbird for me, and present a great
leap in usability and overall speed in use.

deuill-base-extras/PKGBUILD

@@ -15,6 +15,9 @@ depends=(
     wireplumber
 
     # User utilities and dependencies.
+    aspell
+    aspell-el
+    aspell-en
     bluez-utils
     btop
     emacs

deuill-sway-extras/PKGBUILD

@@ -7,14 +7,24 @@ arch=("any")
 url="https://git.deuill.org/deuill/archlinux-packages"
 license=("MIT")
 depends=(
-    # Utilities.
+    # Graphical applications.
     alacritty
     imv
     thunar
-    tumbler
     zathura
-    zathura-pdf-poppler
+    zathura-pdf-mupdf
+    zathura-cb
+
+    # Terminal applications.
+    aerc
+    calcurse
+
+    # Additional libraries.
+    python-httplib2
+    python-pyparsing
 
     # Support packages.
     materia-gtk-theme
+    papirus-icon-theme
+    tumbler
 )

deuill-sway/PKGBUILD

@@ -35,5 +35,7 @@ depends=(
     wl-clipboard
     xdg-utils
     xdg-user-dirs
+    perl-file-mimeinfo
+    xorg-xrdb
 )
 install="$pkgname.install"