Add fetch and install scripts

- Add fetch script which fetches the current config that is used by the
  system into the git repo
- Add install script which copies the config in the repo into the config
  folder for the user
- Add waybar as config

install.sh

@@ -0,0 +1,25 @@
+parameter=$1
+
+install() {
+    if [[ $parameter == "all" ]] || [[ $parameter == $1 ]]; then
+        echo "Installing $1 config in $2"
+        rm -rf $2_backup/
+        mv $2/ $2_backup/
+        cp -r $1 $2/
+    fi
+}
+
+if [[ $parameter == '' ]]; then
+    echo "No config specified, the following configs are available:"
+    echo "  all - all of the config files"
+    while read name path; do
+        echo "  $name"
+    done <configs
+    exit
+fi
+
+while read name path; do
+    eval "name=$name" # re-evaluate the string as a path
+    eval "path=$path" # re-evaluate the string as a path
+    install $name $path
+done <configs