Various updates

- change to tmux in lieu of zellij
- disable obsidian nvim plugin
- add vim-ai nvim plugin
- add gitclone.sh script

zsh/gitclone.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+url=$1
+
+# make sure we have a valid git url. only works with http/s
+regex='^https?://[^/]+/[^/]+/[^/]+(\.git)?$'
+
+if [[ ! $"url" =~ $regex ]]; then
+    echo "echo \"$url does not match regex\""
+    exit 1
+fi
+
+# turn our url into a repo path
+repo="${url#"http://"}"
+repo="${repo#"https://"}"
+repo="${repo%".git"}"
+
+# get the location where we will clone this repo
+repodir="$HOME/src/${repo}"
+
+# get th directory we will need to be in to call the git clone
+dir="${repodir%/*}"
+
+# check for existence of git command
+if [[ -z $(which git) ]]; then
+    echo "echo 'git executable not found'"
+    exit 1
+fi
+
+mkdir -p "$dir"
+pushd $dir > /dev/null
+
+# perform the git clone and check output
+output="$(git clone $url)"
+if [[ $? > 0 ]]; then
+    popd > /dev/null
+    (rmdir $repodir && rmdir $dir) || true
+    echo "echo 'git clone operation failed'"
+    exit 1
+fi
+
+# return our pushd command to the calling shell
+echo "pushd ${repodir}"