Docs theme (#4042)

* docs theme

* vuepress-theme-cosmos

* version bump

* changes to docs

* more code changes

* sidebar order fix

* moar changes

* fixed dev sessions title

* fixed dev sessions title, again

* specs should show up in sidebar

* contents cards

* version bump

* sidebar, rpc

* version bump

* custom footer and super naive search

* version

* minor change to vuepress

* move swagger file

* pre and post scripts

* build

* changed docs build process

* added deployment config

* updated versions file and added deployment filters

docs/app-dev/abci-cli.md

@@ -1,3 +1,7 @@
+---
+order: 2
+---
+
 # Using ABCI-CLI
 
 To facilitate testing and debugging of ABCI servers and simple apps, we

docs/app-dev/app-architecture.md

@@ -1,3 +1,7 @@
+---
+order: 3
+---
+
 # Application Architecture Guide
 
 Here we provide a brief guide on the recommended architecture of a

docs/app-dev/app-development.md

@@ -1,3 +1,7 @@
+---
+order: 4
+---
+
 # Application Development Guide
 
 ## XXX

docs/app-dev/getting-started.md

@@ -1,3 +1,7 @@
+---
+order: 1
+---
+
 # Getting Started
 
 ## First Tendermint App

docs/app-dev/indexing-transactions.md

@@ -1,3 +1,7 @@
+---
+order: 6
+---
+
 # Indexing Transactions
 
 Tendermint allows you to index transactions and later query or subscribe

docs/app-dev/readme.md

@@ -0,0 +1,7 @@
+---
+order: false
+parent:
+  order: 3
+---
+
+# Apps

docs/app-dev/subscribing-to-events-via-websocket.md

@@ -1,3 +1,7 @@
+---
+order: 5
+---
+
 # Subscribing to events via Websocket
 
 Tendermint emits different events, to which you can subscribe via