feat: improve depedencies setup and upgrade tools to latest version (#24)

1. Migrate from `rtx` to `mise`
2. Set most of the tools using `mise`
   * Some tools, such as `starship` and `zoxide` are installed locally, so they are available at boot time
3. Improve `tmux` by adding
   * resurrect and continuum to record/restore sessions
   * better color scheme
4. Setup multiple `elixir-ls` releases using the same repository
5. Upgraded `kickstart.nvim` to latest version

Reviewed-on: #24

scripts/docker-entrypoint.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -e
+
+# NOTE (jpd): setup elixir-ls for older versions of elixir
+if [ ! -d ${LOCAL_SRC_HOME}/elixir-ls/release ]; then
+	echo "setup elixir ls version 0.12.0"
+	/usr/local/bin/elixir-ls-setup v0.12.0
+	echo "setup elixir ls version 0.14.6"
+	/usr/local/bin/elixir-ls-setup v0.14.6
+fi
+
+exec "$@"