Migrate co-op pages from old site

I ran `ruby migrate_coop_pages.rb` in `scripts`. There will need to be
some manual tidying up of the generated `.md` files under `_coops` but
I think this is a good start. As a one-off it doesn't warrant the time
it would take to improve the migration script.

_coops/alpha-communication.md

@@ -0,0 +1,43 @@
+---
+title: Alpha Communication
+name: Alpha Communication
+website: http://alpha.coop/
+email: info@alpha.coop
+twitter: alpha.coop
+github: AlphaCo_op
+telephone: +441912111938
+address: 6 Charlotte Square,Newcastle upon Tyne,United Kingdom,NE1 4XF
+latitude: 
+longitude: 
+clients:
+services:
+- animation
+- artwork
+- branding-and-identity
+- consultancy
+- copywriting-and-translation
+- exhibition-and-display
+- graphic-design
+- illustration
+- logo-design
+- marketing
+- mentoring
+- motion-graphics
+- photography
+- printing
+- web-design
+technologies:
+---
+
+CO-OPERATIVE
+We are a co-operative owned by our workers.
+Co-operation, openness and fairness are at the heart of everything we do.
+CREATIVE
+Innovative, accurate, lively and lush.
+Our team is bursting with ideas and eager to work with you.
+CO-ORDINATED
+Branding, media, print and video all working together.
+We deliver on time and within budget.
+KNOWING
+After 30 years, we know what we’re doing.
+We help you engage with the people you need to reach.