remove sample letter, add examples to variable definitions

support/sample-letter.yaml

@@ -1,22 +0,0 @@
-NAME_PREFIX: Mr.
-NAME_FIRST: John
-NAME_LAST: Smith
-NAME_FULL: John Smith
-ADDRESS_STREET: 1600 Pennsylvania Ave
-ADDRESS_STREET_2: West Wing
-ADDRESS_CITY: Washington
-ADDRESS_STATE_POSTAL_ABBREV: DC
-ADDRESS_COUNTY: Washington
-ADDRESS_ZIP5: 20500
-ADDRESS_ZIP4: 0003
-ADDRESS_ZIP_PLUS_4: 20500-0003
-PHONE: 202-555-1234
-EMAIL: thepresident@example.com
-TOPIC: Veterans Affairs
-SUBJECT: A Question About A Bill
-MESSAGE: Hello world!
-CAPTCHA_SOLUTION: ~
-CAMPAIGN_UUID: test
-PERMALINK: ~
-ORG_URL: ~
-ORG_NAME: ~

support/variables.yaml

@@ -1,44 +1,66 @@
 "$NAME_PREFIX":
   description: "The prefix of a proper name, such as Mr. or Mrs."
+  example: Mr.
 "$NAME_FIRST":
   description: First name
+  example: John
 "$NAME_LAST":
   description: Last name
+  example: Smith
 "$NAME_FULL":
   description: A concatenation of first and last name
+  example: John Smith
 "$ADDRESS_STREET":
   description: The first line of a street address
+  example: 1600 Pennsylvania Avenue NW
 "$ADDRESS_STREET_2":
   description: The (usually optional) second line of a street address
+  example: West Wing
 "$ADDRESS_CITY":
   description: The city component of a mailing address
+  example: Washington
 "$ADDRESS_STATE_POSTAL_ABBREV":
   description: The 2-letter state component of a mailing address
-"$ADDRESS_COUNTY"
+  example: DC
+"$ADDRESS_COUNTY":
   description: "The county component of a mailing address"
+  example: District of Columbia
 "$ADDRESS_ZIP5":
   description: The 5-digit primary zip code of a mailing address
+  example: "20500"
 "$ADDRESS_ZIP4":
   description: The 4-digit secondary component of a mailing address
+  example: "0003"
 "$ADDRESS_ZIP_PLUS_4":
   description: A concatenation of zip codes separated with a hyphen
+  example: "20500-0003"
 "$PHONE":
   description: A 10 or 11 digit telephone number
+  example: "202-555-1234"
 "$EMAIL":
   description: Primary email address
+  example: thepresident@example.com
 "$TOPIC":
   description: The issue area a contact message pertains to
+  example: Budget
 "$SUBJECT":
   description: The subject line of a contact message
+  example: Testing
 "$MESSAGE":
   description: The body of a contact message
+  example: Hello World!
 "$CAPTCHA_SOLUTION":
   description: The solution to a CAPTCHA challenge
 "$CAMPAIGN_UUID":
   description: "A UUID representing an email 'Campaign' -- For topical campaigns, such as support or opposition to a bill, the value submitted on behalf of each user should hold constant"
+  example: test
 "$PERMALINK":
   description: "A permalink to the contact attempt, if displayed publicly"
+  example: ~
 "$ORG_URL":
   description: "The url of the organization who's submitting on the writer's behalf"
+  example: http://example.com
 "$ORG_NAME":
   description: "The name of the organization who's submitting on the writer's behalf"
+  example: Test Foundation
+