Update and expand getting started steps, improve formatting and consistency

(as far as presuming DDEV)

README.md

@@ -10,8 +10,10 @@ See [DEPLOYMENT.md](DEPLOYMENT.md) for easy deploy instructions with Ahoy.
 
 One time:
 
-```
-git clone git@gitlab.com:agaric/sites/geo.git
+```shell
+mkdir -p ~/Projects/geo
+cd ~/Projects/geo
+git clone git@git.agaric.com:geo/geo-coop.git
 cd geo
 ```
 
@@ -20,17 +22,19 @@ the following steps to work.
 
 Whenever you want a fresh start:
 
-
-```
+```shell
 git pull
 ddev start
 ddev composer update
-ddev . drush -y site:install minimal --existing-config
+ddev drush -y site:install minimal --existing-config
 ```
 
 Note: If you receive a `Permission denied (publickey).` error it means you need to copy your key into the DDEV container by running `ddev auth ssh`.
 
 ## Pull live content down for development
 
+```shell
+ddev drush sql-sync @live @self
+ddev drush -y rsync --exclude-paths=css:js:php --verbose @live:%files/ @self:%files
 ```