Various fixes for check_only integrations (#18718)

* fix author name not being normalized

* add missing spec file

* change number to integer

datadog_checks_dev/changelog.d/18718.fixed

@@ -0,0 +1 @@
+fix author name not being normalized

datadog_checks_dev/datadog_checks/dev/tooling/commands/create.py

@@ -16,7 +16,7 @@
     get_valid_templates,
     prefill_template_fields_for_check_only,
 )
-from ..utils import kebab_case_name, normalize_package_name
+from ..utils import kebab_case_name, normalize_display_name, normalize_package_name
 from .console import CONTEXT_SETTINGS, abort, echo_info, echo_success, echo_warning
 
 HYPHEN = b'\xe2\x94\x80\xe2\x94\x80'.decode('utf-8')
@@ -190,6 +190,7 @@ def create(ctx, name, integration_type, location, non_interactive, quiet, dry_ru
             author = manifest.get("author", {}).get("name")
             if author is None:
                 abort("Unable to determine author from manifest")
+            author = normalize_display_name(author)
             integration_dir_name = integration_dir_name.removeprefix(f"{author}_")
     else:
         if os.path.exists(integration_dir):

datadog_checks_dev/datadog_checks/dev/tooling/templates/integration/check_only/{check_name}/assets/configuration/spec.yaml

@@ -0,0 +1,10 @@
+name: {integration_name}
+files:
+- name: {check_name}.yaml
+  options:
+  - template: init_config
+    options:
+    - template: init_config/default
+  - template: instances
+    options:
+    - template: instances/default

datadog_checks_dev/datadog_checks/dev/tooling/templates/integration/check_only/{check_name}/assets/service_checks.json

@@ -0,0 +1 @@
+[]

datadog_checks_dev/datadog_checks/dev/tooling/templates/integration/check_only/{check_name}/datadog_checks/{check_name}/data/conf.yaml.example

@@ -30,7 +30,7 @@ instances:
     #
     # service: <SERVICE>
 
-    ## @param min_collection_interval - number - optional - default: 15
+    ## @param min_collection_interval - integer - optional - default: 15
     ## This changes the collection interval of the check. For more information, see:
     ## https://docs.datadoghq.com/developers/write_agent_check/#collection-interval
     #