add longer project descriptions

data/ecosystem.yaml

@@ -177,7 +177,7 @@ edge:
       text: MicroShift Collection
 galaxy_ng:
   name: Galaxy NG
-  description: Galaxy NG jumpstarts automation projects with Ansible community content.
+  description: Galaxy NG jumpstarts automation projects with Ansible community content. Galaxy lets you share Ansible automation and promotes a collaborative approach to development and maintenance.
   logo: project-logos/galaxy.svg
   alt: Galaxy NG project logo
   resources:
@@ -207,7 +207,7 @@ lint:
       text: Source code
 molecule:
   name: Molecule
-  description: Molecule helps you develop and test Ansible roles.
+  description: Molecule helps you develop and test Ansible roles with consistent development patterns. Using Molecule results in well-written roles that are easy to understand and maintain.
   logo: project-logos/ansible-community.svg
   alt: Molecule project logo
   resources:
@@ -279,7 +279,7 @@ sdk:
       text: Source code
 sign:
   name: Ansible Sign
-  description: Ansible Sign is a utility for signing and verifying Ansible content.
+  description: Ansible Sign is a utility for signing and verifying Ansible automation. Use Sign to secure workflows and pipelines for trusted automation content.
   logo: project-logos/ansible-community.svg
   alt: Ansible Sign project logo
   resources: