add published and modified dates to archive-single

_posts/hyperledger/2018-12-13-awesome-indy.md

@@ -1,4 +1,5 @@
 ---
+date: 2018-12-13
 layout: single
 title: "Hyperledger Indy Resources" 
 description: "A growing collection of educational resources related to Hyperledger Indy, the Sovrin Foundation, and Evernym."

_posts/hyperledger/2019-01-28-VerifiableOrganizationsNetwork-HGF.md

@@ -1,4 +1,5 @@
 ---
+date: 2019-01-28
 title: Verifiable Organizations Network - A Production Government Deployment of Hyperledger Indy
 description: Transcript of Presentation by John Jordan and Stephen Curran at HGF 2018
 image: "https://infominer.xyz/transcripts/assets/img/OrgBook-Hyperledger-Indy-Case-Study.png"

_posts/hyperledger/2019-02-27-Microledgers-Edgechains-Hardman-HGF.md

@@ -1,4 +1,5 @@
 ---
+date: 2019-02-27
 title: Microledgers and Edge-Chains - A Primer 
 description: A Transcript of Daniel Hardman of Evernym Presenting at Hyperledger Global Forum — 2018
 image: "https://i.imgur.com/qbVl47T.png"

_posts/hyperledger/2019-03-05-adoption.md

@@ -1,4 +1,5 @@
 ---
+date: 2019-03-05
 title: Evernym-Sovrin-Indy Adoption
 layout: single
 classes: wide
@@ -13,6 +14,7 @@ sidebar:
   nav: "sovnav" 
 categories: ["Sovrin Foundation","Hyperledger Foundation","Adoption"]
 tags: ["Evernym","Indy","RDF","IOT","Financial Services"]
+last_modified_at: 2019-03-05
 ---
 
 *Needs to be split according to focus Evernym \ Sovrin \ Indy.

_posts/hyperledger/2019-03-08-indy-github.md

@@ -1,4 +1,5 @@
 ---
+date: 2019-03-08
 title: Indy Github Repositories
 layout: single
 permalink: hyperledger/indy/github/
@@ -13,6 +14,7 @@ sidebar:
 toc: false
 categories: ["Hyperledger Foundation","Code"]
 tags: ["Anoncreds","Indy","Ursa","Aries"]
+last_modified_at: 2019-03-08
 ---
 
 <!-- Every company or organization using indy code should be listed in tags, above -->

_posts/hyperledger/2019-03-16-Hyperledger-Global-Forum-2018.md

@@ -1,4 +1,5 @@
 ---
+date: 2019-03-06
 title: Hyperledger Global Forum-2018
 layout: single
 classes: wide
@@ -10,6 +11,7 @@ redirect_from:
   - hgf-2018/
 categories: ["Hyperledger Foundation","Presentations"]
 tags: ["Hyperledger Global Forum","GDPR"]
+last_modified_at: 2019-03-06
 ---
 
 For Identity Related Presentations at HGF-2018