DEVPROD-932 Add information for project triggers settings (#2222)

Co-authored-by: SupaJoon <[email protected]>

src/pages/projectSettings/tabs/ProjectTriggersTab/getFormSchema.ts → src/pages/projectSettings/tabs/ProjectTriggersTab/getFormSchema.tsx

@@ -125,16 +125,24 @@ export const getFormSchema = (
         "ui:displayTitle": "New Project Trigger",
         "ui:label": false,
         project: {
+          "ui:description":
+            "The upstream project identifier to listen to for commits",
           "ui:data-cy": "project-input",
         },
         configFile: {
+          "ui:description":
+            "The path to the downstream project's config file. This may be the same as the main project configuration file but does not have to be.",
           "ui:data-cy": "config-file-input",
           "ui:placeholder": ".evergreen.yml",
         },
         level: {
+          "ui:description":
+            "Task and build levels will trigger based on the completion of a task or a build in the upstream project. Push level triggers will trigger once a commit is pushed to the upstream project. This is helpful if the upstream project does not regularly run or create commit tasks.",
           "ui:allowDeselect": false,
         },
         status: {
+          "ui:description":
+            "Specify which status of the upstream build or task should trigger a downstream version. This applicable to build and task level triggers only.",
           "ui:allowDeselect": false,
         },
         dateCutoff: {