ci: Add a github actions workflow for lint

[utam0k]

In order to prevent like #1255

It works fine: https://github.com/utam0k/runtime-spec/actions/runs/9534058439/job/26278029545

[utam0k]

@kolyshkin PTAL 🙏

[kolyshkin]

one nit; lgtm otherwise

[utam0k]

@kolyshkin PTAL 🙏

[thaJeztah]

Looks like linting is working, and detected an issue; could you add a commit (as first commit) to correct that issue?

diff --git a/schema/config-schema.json b/schema/config-schema.json
index cb74342..5124def 100644
--- a/schema/config-schema.json
+++ b/schema/config-schema.json
@@ -226,14 +226,14 @@
                     "properties": {
                         "initial": {
                             "type": "string",
-			    "pattern": "^[0-9, -]*$"
+                            "pattern": "^[0-9, -]*$"
                         },
                         "final": {
                             "type": "string",
-			    "pattern": "^[0-9, -]*$"
+                            "pattern": "^[0-9, -]*$"
                         }
                     }
-		}
+                }
             }
         },
         "linux": {

[thaJeztah]

LGTM