Update/icon (#37)

* update icon to higher resolution

* update release notes

* bump LND dependency max version to <19

* resize icon

manifest.yaml

@@ -3,6 +3,8 @@ title: "LNBits"
 version: 0.12.5
 release-notes: |
   * Update LNbits to 0.12.5 - Full release notes available [here](https://github.com/lnbits/lnbits/releases/tag/0.12.5).
+  * Update icon
+  * Minor fixes and optimizations
 license: MIT
 wrapper-repo: "https://github.com/Start9Labs/lnbits-startos"
 upstream-repo: "https://github.com/lnbits/lnbits"
@@ -77,7 +79,7 @@ interfaces:
       - http
 dependencies:
   lnd:
-    version: ">=0.14.3 <0.18.0"
+    version: ">=0.14.3 <0.19.0"
     description: Used to communicate with the Lightning Network.
     requirement:
       type: "opt-in"