fix: add general demo to top readme, define explicit requirement on group...

fix: add general demo to top readme, define explicit requirement on group project, other small wordings

README.md

@@ -2,6 +2,10 @@
 
 Examples of an infrastructure definition using openstack commandline project and terraform infrastructure description.
 
+## [G1 Brno general demonstrations](/clouds/g1/brno/general/README.md)
+   * [infrastructure in terraform HCL](clouds/g1/brno/general/terraform) (IaC, GitOps, DevOps)
+   * [shell and OpenStack command-line client](clouds/g1/brno/general/commandline)
+
 ## [G1 Brno vo.enes.org demonstrations](/clouds/g1/brno/vo.enes.org/README.md)
    * [infrastructure in terraform HCL](clouds/g1/brno/vo.enes.org/terraform) (IaC, GitOps, DevOps)
    * [shell and OpenStack command-line client](clouds/g1/brno/vo.enes.org/commandline)

clouds/g1/brno/general/commandline/README.md

@@ -4,6 +4,7 @@
  * Linux/Max/WSL2 terminal
  * BASH shell
  * installed openstack client ([how?](https://docs.fuga.cloud/how-to-use-the-openstack-cli-tools-on-linux))
+ * MetaCentrum OpenStack cloud [group project granted](https://docs.e-infra.cz/compute/openstack/technical-reference/brno-site/get-access/#group-project).
  * downloaded application credentials from OpenStack Horizon dashboard ([how?](https://docs.cloud.muni.cz/cloud/cli/#getting-credentials)) and store as text file `project_openrc.sh.inc`.
 
 ## How to use the script

clouds/g1/brno/general/terraform/README.md

 # Terraform demonstration
 
 This Terraform module creates up to two kind of VMs:
- - public facing bastion VM
- - private HPC VM farm
+ - public facing small bastion VM
+ - private VM farm
 
 Cloud-init add following:
  - Add ssh keys, disable SSH password auth

clouds/g1/brno/vo.enes.org/commandline/README.md

@@ -4,6 +4,7 @@
  * Linux/Max/WSL2 terminal
  * BASH shell
  * installed openstack client ([how?](https://docs.fuga.cloud/how-to-use-the-openstack-cli-tools-on-linux))
+ * MetaCentrum OpenStack cloud [group project granted](https://docs.e-infra.cz/compute/openstack/technical-reference/brno-site/get-access/#group-project).
  * downloaded application credentials from OpenStack Horizon dashboard ([how?](https://docs.cloud.muni.cz/cloud/cli/#getting-credentials)) and store as text file `project_openrc.sh.inc`.
 
 ## How to use the script