fix: Jinja2 whitespace control changes

{{cookiecutter.project_slug}}/README.md

 # GitLab CI template for {{cookiecutter.template_name}}
-
-
-{%- if cookiecutter.template_type == 'build' %}
+{% if cookiecutter.template_type == 'build' %}
 This project implements a GitLab CI/CD template to build, test and analyse your [{{cookiecutter.template_name}}]({{cookiecutter.refdoc_url}}) projects.
 
 ## Usage

{{cookiecutter.project_slug}}/templates/gitlab-ci-{{cookiecutter.project_slug}}.yml

@@ -34,8 +34,7 @@ workflow:
     - if: '$CI_COMMIT_MESSAGE =~ "/\[(ci skip|skip ci) on ([^],]*,)*dev(,[^],]*)*\]/" && $CI_COMMIT_REF_NAME !~ $PROD_REF && $CI_COMMIT_REF_NAME !~ $INTEG_REF'
       when: never
     - when: always
-
-{%- if cookiecutter.template_type == 'build' %}
+{% if cookiecutter.template_type == 'build' %}
 # test job prototype: implement adaptive pipeline rules
 .test-policy:
   rules:
@@ -85,8 +84,7 @@ variables:
 
   # Default Docker image (use a public image - can be overridden)
   {{ cookiecutter.template_PREFIX }}_IMAGE: "registry.hub.docker.com/{{ cookiecutter.project_slug }}:latest"
-
-{%- if cookiecutter.template_type == 'build' %}
+{% if cookiecutter.template_type == 'build' %}
   # Default arguments for 'build' command
   {{ cookiecutter.template_PREFIX }}_BUILD_ARGS: "build --with-default-args"
 
@@ -353,8 +351,7 @@ stages:
       "$1"
     fi
   }
-
-{%- if cookiecutter.template_type == 'build' %}
+{% if cookiecutter.template_type == 'build' %}
   function output_coverage() {
     echo "[TODO]: compute and output global coverage result"
     echo "11% covered"
@@ -462,8 +459,7 @@ stages:
   eval_all_secrets
 
   # ENDSCRIPT
-
-{%- if cookiecutter.template_type == 'build' %}
+{% if cookiecutter.template_type == 'build' %}
 # job prototype
 # defines default Docker image, tracking probe, cache policy and tags
 .{{ cookiecutter.template_prefix }}-base: