Document state field in CONTRIBUTING.md and unify its usage

closes acceptbitcoincash#1282

Author: EchterAgo

CONTRIBUTING.md

@@ -24,6 +24,7 @@ We offer two easy ways to submit a new site to be listed.
 - `facebook` -- Facebook Username or Page URL
 - `region` -- Region (see region code list below)
 - `country` -- Country (see Wikipedia link below)
+- _(Optional)_ `state` -- State (capitalize name, use full name)
 - _(Optional)_ `city` -- City (capitalize name)
 - `bch` -- Accepting Bitcoin Cash (yes/no)
 - `btc` -- Accepting Bitcoin Legacy (yes/no)

_data/government.yml

@@ -4,6 +4,9 @@ websites:
       twitter: stadtzug
       facebook:
       img: kantonzug.png
+      region: eu
+      country: CH
+      state: Zug
       bch: no
       btc: yes
       othercrypto: yes

_data/services.yml

@@ -31,7 +31,7 @@ websites:
   region: na
   country: US
   city: Tallahassee
-  state: FL
+  state: Florida
   bch: Yes
   btc: No
   othercrypto: Yes
@@ -342,7 +342,7 @@ websites:
   facebook: viaboxcom
   region: na
   country: US
-  state: OR
+  state: Oregon
   city: Portland
   bch: true
   btc: true
@@ -370,7 +370,7 @@ websites:
   email_address: [email protected]
   region: na
   country: US
-  state: MI
+  state: Michigan
   city: Sault Ste. Marie
   bch: true
   btc: true

_data/transport.yml

@@ -133,7 +133,7 @@ websites:
       facebook: euclasslimo
       region: na
       country: US
-      state: IL
+      state: Illinois
       city: Chicago
       bch: Yes
       btc: Yes