update title, subtitle and about

content/_index.md

@@ -4,18 +4,14 @@ hide_title: true
 sections:
   - section_id: hero
     type: section_hero
-    title: 'Hi, I''m Stackbit Fresh.'
+    title: 'Hi, I''m Dave.'
     content: >-
-      This section can contain a subtitle or tagline. The recommended length is
-      one to three sentences, but can be changed as you prefer.
+      I'm available for work, and am most interested in how data science can save the planet.
   - section_id: about
     type: section_content
     title: About
     content: >-
-      This is the "about" excerpt. It can be used to provide a paragraph about
-      yourself that people can read on the homepage to get a sense of who you
-      are. There also exists a dedicated about page where you can write more
-      about yourself for those who are interested.
+      I've spent a long time working at the intersection of data science and energy management. I'm looking for my next opportunity to do more work with less energy.
     actions:
       - label: Contact Me
         url: /contact