feat: added a cd command to suto run nvmrc and pipenv shell

Author: tobybatch

avaiable/01_path.bash

@@ -1 +1 @@
-export PATH=$PATH:$HOME/bin:$HOME/.local/bin:$HOME/.screenlayout
+export PATH=$PATH:$HOME/bin:$HOME/.local/bin:$HOME/.screenlayout:$HOME/opt/Postman

avaiable/10_i3.bash

@@ -0,0 +1,11 @@
+function cd {
+        builtin cd "$@"
+        pwd > ~/.last_dir
+        if [ -e $(pwd)/.nvmrc ]; then
+                nvm use
+        fi
+
+        if [ -e $(pwd)/Pipfile ]; then
+                pipenv shell
+        fi
+}