old_contents: {
      'name' : 'Signature templates for user emails',
      'version' : '1.0.0',
      'author' : 'Ivan Yelizariev',
      'category' : 'Sale',
      'website' : 'https://it-projects.info',
      'description': """
  Allows create signature templates for users. For example,
  
      ---
  
      <p>${user.name}, ${user.function} of ${user.partner_id.company_id.name}</p>
  
      <p>${user.phone}, 
  
      % if user.mobile
  
      ${user.mobile}, 
  
      % endif
  
      ${user.email}</p>
  
      <p><img src="data:image/png;base64,${user.company_id.logo_web}"/></p>
  
  Will be converted to 
  
      ---
  
      <p>Bob, sale manager of You Company</p>
  
      <p>+123456789, sales@example.com</p>
  
      <p><img src="data:image/png;base64,ABCDE....12345="/></p>
  
  Tested on 8.0 ab7b5d7
      """,
      'depends' : ['base'],
      'data':[
          'res_users_signature_views.xml',
          'security/res_users_signature_security.xml',
          'security/ir.model.access.csv',
      ],
      'installable': True
  }
  
new_contents: {
      'name' : 'Signature templates for user emails',
      'version' : '1.0.0',
      'author' : 'Ivan Yelizariev',
      'category' : 'Sale',
      'website' : 'https://it-projects.info',
      'description': """
  Allows create signature templates for users. For example,
  
      ---
  
      <p>${user.name}, ${user.function} of ${user.partner_id.company_id.name}</p>
  
      <p>${user.phone}, 
  
      % if user.mobile
  
      ${user.mobile}, 
  
      % endif
  
      ${user.email}</p>
  
      <p><img src="data:image/png;base64,${user.company_id.logo_web}"/></p>
  
  Will be converted to 
  
      ---
  
      <p>Bob, sale manager of You Company</p>
  
      <p>+123456789, sales@example.com</p>
  
      <p><img src="data:image/png;base64,ABCDE....12345="/></p>
  
  Tested on 8.0 ab7b5d7
      """,
      'depends' : ['base', 'hr'],
      'data':[
          'res_users_signature_views.xml',
          'security/res_users_signature_security.xml',
          'security/ir.model.access.csv',
      ],
      'installable': True
  }
  
subject: update signature after updating employee (2)