Added more editor features to support Golang, sql and git

lua/overseer/template/user/go_test.lua

@@ -0,0 +1,10 @@
+return {
+  name = "go test",
+  desc = "Run all tests",
+  builder = function()
+    return {
+      cmd = { "go", "test" },
+      args = { "./..." },
+    }
+  end,
+}