Add auto install of php lib.

Author: Peter Törnstrand

README.md

@@ -9,17 +9,6 @@ analysis, and alerting server built for structured logs and traces.
 ddev add-on get https://github.com/happiness/ddev-seq
 ```
 
-## DDEV customizations
-
-You need to install the PHP OpenTelemetry package. Edit the `./ddev/config.yml`
-file in your project and add the following lines:
-
-```
-webimage_extra_packages: ["php${DDEV_PHP_VERSION}-opentelemetry"]
-```
-
-Then restart DDEV by executing `ddev restart`.
-
 ## Drupal integration
 
 Install the modules [OpenTelemetry](https://www.drupal.org/project/opentelemetry) and

config.ddev-seq.yaml

@@ -0,0 +1,2 @@
+webimage_extra_packages: ["php${DDEV_PHP_VERSION}-opentelemetry"]
+ddev_version_constraint: '>=v1.23.5'

install.yaml

@@ -58,7 +58,9 @@ pre_install_actions:
 # if it hasn't been modified by the user.
 # DDEV environment variables can be interpolated into these filenames
 project_files:
+- config.ddev-seq.yaml
 - docker-compose.seq.yaml
+- .env.seq
 
 # List of files and directories that are copied into the global .ddev directory
 # DDEV environment variables can be interpolated into these filenames