Add McFly

Root cause of the .bashrc/.profile split: Its binary is located in
~/.local/bin, but that's added to the PATH in .profile _after_ it
sources .bashrc (creating a Catch-22 with regards to properly activating
it).

.bashrc.d/98-mcfly

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+if command -v mcfly &> /dev/null; then
+
+  export MCFLY_FUZZY=2
+  export MCFLY_RESULTS=$(($(tput lines) - 4))
+  export MCFLY_INTERFACE_VIEW=BOTTOM
+
+  eval "$(mcfly init bash)"
+
+fi

install/bins.d/mcfly

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+arch=$(uname -m)
+base=https://github.com/cantino/mcfly/releases/download
+: "${version:=v0.8.4}"
+
+wget -nv -O- \
+  "${base}/${version}/mcfly-${version}-${arch}-unknown-linux-musl.tar.gz" |
+  tar -xzv
+mv -f mcfly ~/.local/bin
+
+command -v mcfly && mcfly --version