Bump version, fix links, update landing page image

content/_index.md

@@ -78,7 +78,7 @@ See?!
 
 repository = "https://github.com/lfe/lfe"
 stable_version = "2.0.1"
-unstable_version = "2.1.0"
+unstable_version = "2.1.1"
 
 ###   Code Excerpts   #########################################
 
@@ -99,7 +99,7 @@ Erlang/OTP 25 [erts-13.1.1] [source] [64-bit] [smp:16:16] [ds:16:16:10] [async..
   |        n    | |  |   Docs: http://docs.lfe.io/
   |       a    / /   |   Source: http://github.com/lfe/lfe
    \     l    |_/    |
-    \   r     /      |   LFE v2.1.0 (abort with ^G)
+    \   r     /      |   LFE v2.1.1 (abort with ^G)
      `-E___.-'
 
 lfe>

content/use.md

@@ -43,11 +43,11 @@ More information on Docker usage is available here:
 
 The docs site for LFE is quite old and almost entirely out of date, but it's linked here since it still has some jewels that haven't been ported elsewhere:
 
-* [docs.lfe.io](htt[://docs.lfe.io])
+* [docs.lfe.io](https://docs.lfe.io)
 
 There is a newer version of the docs site whose development has been stalled. Though not currently of much use, it's available here:
 
-* [docs.lfe.io/dev/](http://docs.lfe.io/dev/index.html)
+* [docs.lfe.io/dev/](https://docs.lfe.io/dev/index.html)
 
 # Erlang
 
@@ -71,8 +71,8 @@ One of the things you might find yourself needing is specialised `rebar3` plugin
 
 * [Getting Started](https://www.rebar3.org/docs/getting-started)
 * [Configuration](https://www.rebar3.org/docs/configuration)
-* [Using Plugins](https://www.rebar3.org/docs/using-available-plugins)
-* [Writing Plugins](https://www.rebar3.org/docs/plugins)
+* [Using Plugins](https://rebar3.org/docs/configuration/plugins/)
+* [Writing Plugins](https://rebar3.org/docs/tutorials/building_plugins/)
 
 The source for the LFE `rebar3` plugin is written in Erlang and viewable here: