fix: update setup instructions (#144) #none

* activate directory to gitignore

* add my custom env to gitignore, will have to change that

* add unstructured to kotaemon pyproject.toml

* add .env to gitignore

* remove .env from tracking

* make changes to the run_macos script, update readme with more detailed instructions

* remove my personal changes from gitignore

* remove line from run_macos script

* remove option for not installing miniconda for non technical users, mark docker dependency as optional

* docs: update demo URL

* gitignore changes

* merge .env.example

* revert changes to run_macos.sh

* unstructured to advanced dependencies

* add link to unstructured system dependencies

* remove api key

* fix: skip tests when unstructured pdf not installed

* chore: loosen unstructured package version in pyproject.toml

* chore: correct syntax

---------

Co-authored-by: Tadashi <tadashi@cinnamon.is>
Co-authored-by: cin-albert <albert@cinnamon.is>

.gitignore

@@ -1,6 +1,11 @@
 # Created by https://www.toptal.com/developers/gitignore/api/python,linux,macos,windows,vim,emacs,visualstudiocode,pycharm
 # Edit at https://www.toptal.com/developers/gitignore?templates=python,linux,macos,windows,vim,emacs,visualstudiocode,pycharm
 
+activate*
+activate/*
+kotaemon-env*
+.env
+
 ### Emacs ###
 # -*- mode: gitignore; -*-
 *~