Updated CODEOWNERS and added to marketplace

Signed-off-by: Andre Wanlin <67169551+awanlin@users.noreply.github.com>

.github/CODEOWNERS

@@ -39,6 +39,9 @@ yarn.lock                                           @backstage/maintainers @back
 /plugins/code-coverage-backend                      @backstage/maintainers @alde @nissayeva
 /plugins/cost-insights                              @backstage/maintainers @backstage/silver-lining
 /plugins/cost-insights-*                            @backstage/maintainers @backstage/silver-lining
+/plugins/devtools                                   @backstage/maintainers @awanlin
+/plugins/devtools-backend                           @backstage/maintainers @awanlin
+/plugins/devtools-common                            @backstage/maintainers @awanlin
 /plugins/entity-feedback                            @backstage/maintainers @kuangp
 /plugins/entity-feedback-*                          @backstage/maintainers @kuangp
 /plugins/events-backend                             @backstage/maintainers @pjungermann
@@ -64,6 +67,9 @@ yarn.lock                                           @backstage/maintainers @back
 /plugins/kafka-backend                              @backstage/maintainers @nirga @andrewthauer
 /plugins/kubernetes                                 @backstage/maintainers @backstage/kubernetes-maintainers
 /plugins/kubernetes-*                               @backstage/maintainers @backstage/kubernetes-maintainers
+/plugins/linguist                                   @backstage/maintainers @awanlin
+/plugins/linguist-backend                           @backstage/maintainers @awanlin
+/plugins/linguist-common                            @backstage/maintainers @awanlin
 /plugins/microsoft-calendar                         @backstage/maintainers @abhay-soni-developer @NishkarshRaj
 /plugins/newrelic-dashboard                         @backstage/maintainers @mufaddal7
 /plugins/permission-*                               @backstage/permission-maintainers

microsite/data/plugins/devtools.yaml

@@ -0,0 +1,10 @@
+---
+title: 'DevTools'
+author: Keyloop
+authorUrl: https://keyloop.com/
+category: Tools
+description: Tools for helping with the Ops side of running a Backstage instance
+documentation: https://github.com/backstage/backstage/blob/master/plugins/devtools/README.md
+iconUrl: /img/devtools.svg
+npmPackageName: '@backstage/plugin-devtools'
+addedDate: '2023-06-17'

microsite/data/plugins/linguist.yaml

@@ -0,0 +1,10 @@
+---
+title: 'Linguist'
+author: Keyloop
+authorUrl: https://keyloop.com/
+category: Metadata
+description: View the programming language break down for your entities within the Software Catalog
+documentation: https://github.com/backstage/backstage/blob/master/plugins/linguist/README.md
+iconUrl: /img/linguist.svg
+npmPackageName: '@backstage/plugin-linguist'
+addedDate: '2023-06-17'

microsite/static/img/devtools.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 0 24 24" width="24px" fill="#000000"><path clip-rule="evenodd" d="M0 0h24v24H0z" fill="none"/><path d="M22.7 19l-9.1-9.1c.9-2.3.4-5-1.5-6.9-2-2-5-2.4-7.4-1.3L9 6 6 9 1.6 4.7C.4 7.1.9 10.1 2.9 12.1c1.9 1.9 4.6 2.4 6.9 1.5l9.1 9.1c.4.4 1 .4 1.4 0l2.3-2.3c.5-.4.5-1.1.1-1.4z"/></svg>

microsite/static/img/linguist.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 0 24 24" width="24px" fill="#000000"><path d="M0 0h24v24H0z" fill="none"/><path d="M12.87 15.07l-2.54-2.51.03-.03c1.74-1.94 2.98-4.17 3.71-6.53H17V4h-7V2H8v2H1v1.99h11.17C11.5 7.92 10.44 9.75 9 11.35 8.07 10.32 7.3 9.19 6.69 8h-2c.73 1.63 1.73 3.17 2.98 4.56l-5.09 5.02L4 19l5-5 3.11 3.11.76-2.04zM18.5 10h-2L12 22h2l1.12-3h4.75L21 22h2l-4.5-12zm-2.62 7l1.62-4.33L19.12 17h-3.24z"/></svg>