Add support for config directories for bashrc

bash/.bashrc

@@ -52,3 +52,23 @@ fi
 if [ "$TERM" == xterm ]; then
     export TERM=xterm-256color
 fi
+
+if [ -d "${XDG_CONFIG_HOME}"/bash/bashrc.d ]; then
+    for file in "${XDG_CONFIG_HOME}"/bash/bashrc.d/*.sh; do
+        if [ -r "$file" ]; then
+            #shellcheck disable=1090
+            . "$file"
+        fi
+    done
+fi
+
+if [[ -d "${XDG_CONFIG_HOME}/bash/env.d" ]]; then
+    for file in "${XDG_CONFIG_HOME}"/bash/env.d/*.env; do
+        eval "$(
+            grep -v '^\s*\#' "${file}" |
+            grep -v '^\s*$' |
+            sed 's/^\s*export//g' |
+            sed 's/^/export /g'
+        )"
+    done
+fi