Improve HTML template + improve links

Reduce size (from ~15kB to ~4kB)
Reduce incompatibility for emails

Link to project on project name

notifier.py

@@ -70,18 +70,18 @@ def main():
 
     for new_r in new_releases:
         content += f"""
-        <li><a href="{new_r["release_url"]}" target="_blank">{new_r["project_name"]}</a>
+        <li>{get_html_project_link(new_r)}
         : new release
-        <a href="{new_r["release_url"]}" target="_blank">{new_r["release_tag"]}</a>
+        {get_html_release_link(new_r)}
         available (old: {new_r["previous_tag"]}).
         (published {convert_date(new_r["published_date"])})</li>"""
 
     for new_p in new_projects:
         content += f"""
-        <li><a href="{new_p["release_url"]}" target="_blank">{new_p["project_name"]}</a>
+        <li>{get_html_project_link(new_p)}
         was added to your configuration.
         Last release:
-        <a href="{new_p["release_url"]}" target="_blank">{new_p["release_tag"]}</a>
+        {get_html_release_link(new_p)}
         (published {convert_date(new_p["published_date"])})</li>"""
 
     with open(template_file, "r", encoding="utf-8") as f_template:
@@ -114,6 +114,15 @@ def get_last_release(project):
     }
 
 
+def get_html_project_link(el):
+    project_url = f'https://github.com/{el["project_name"]}'
+    return f'<a href="{project_url}" target="_blank">{el["project_name"]}</a>'
+
+
+def get_html_release_link(el):
+    return f'<a href="{el["release_url"]}" target="_blank">{el["release_tag"]}</a>'
+
+
 def send_mail(content, config):
     smtp_port = config.get("smtp_port")
     smtp_server = config.get("smtp_server")