docs(plugins): clarification, fix typos and style

source/plugins/projects/metadata.yml

@@ -1,6 +1,9 @@
-name: "🗂️ Active projects"
+name: 🗂️ GitHub projects
 category: github
-description: This plugin displays progress of your profile and repository projects.
+description: |
+  This plugin displays progress of profile and repository projects.
+
+  > ℹ️ This plugin currently only supports [GitHub projects boards](https://docs.github.com/en/issues/organizing-your-work-with-project-boards/managing-project-boards/about-project-boards) and not [GitHub projects (beta)](https://docs.github.com/en/issues/trying-out-the-new-projects-experience/about-projects)
 examples:
   default: https://github.com/lowlighter/metrics/blob/examples/metrics.plugin.projects.svg
 index: 11
@@ -14,7 +17,8 @@ scopes:
 inputs:
 
   plugin_projects:
-    description: Enable projects plugin
+    description: |
+      Enable projects plugin
     type: boolean
     default: no
 
@@ -22,7 +26,7 @@ inputs:
     description: |
       Display limit
 
-      Note that `plugin_projects_repositories` is not affected by this option
+      Projects defined by [`plugin_projects_repositories`](/source/plugins/projects/README.md#plugin_projects_repositories) are not affected by this option
     type: number
     default: 4
     min: 0
@@ -30,7 +34,7 @@ inputs:
 
   plugin_projects_repositories:
     description: |
-      List of repositories projects
+      Featured repositories projects
 
       Use the following syntax for each project `:user/:repo/projects/:project_id`
     type: array
@@ -40,6 +44,7 @@ inputs:
     preset: no
 
   plugin_projects_descriptions:
-    description: Toggle projects descriptions display
+    description: |
+      Projects descriptions
     type: boolean
     default: no