dbeaver/pro#5697 new curl readme & fixes to the old ones

Author: flambchap

README.md

@@ -2,7 +2,12 @@
 
 This repo contains examples of using GraphQL API for [CloudBeaver Enterprise](https://dbeaver.com/cloudbeaver-enterprise/), [CloudBeaver AWS](https://aws.amazon.com/marketplace/pp/prodview-kijugxnqada5i), and [DBeaver Team Edition](https://dbeaver.com/dbeaver-team-edition/).
 
-The repo layout is self-explanatory: the folder [go](go) contains examples for the Go programming language, [python3](python3) includes examples for Python 3, and so on.
+# The repo layout
+
+- The [curl](curl) folder contains examples using `curl` command line tool.
+- The [go](go) folder contains examples for the Go programming language.
+- The [operations](operations) folder contains raw examples. They are used by projects from other folders.
+- The [python3](python3) includes examples for Python 3.
 
 ## GraphQL API and prerequsites
 

curl/README.md

@@ -0,0 +1,13 @@
+# Usage of DBeaver Team Edition GraphQL API with `curl`
+
+How to start:
+1. Change the current directory to the directory with this README file.
+2. Create the `../.env` file from the `../.env.template` (see the repository root for file `.env.template`)
+```sh
+cp ../.env.template ../.env
+```
+3. Fill the environment variables in the `.env` file.
+4. Execute the script with
+```sh
+./team-edition.sh
+```

python3/README.md

@@ -19,9 +19,9 @@ python3 -m venv .venv
 ```sh
 pip install -r requirements.txt
 ```
-5. Create the `.env` file from the `.env.template`
+5. Create the `../.env` file from the `../.env.template` (see the repository root for file `.env.template`)
 ```sh
-cp .env.template .env
+cp ../.env.template ../.env
 ```
 6. Fill the environment variables in the `.env` file.
 7. Execute the script with