new: [itty-bitty] new charm

Signed-off-by: Valentin Lab <valentin.lab@kalysto.org>

itty-bitty/metadata.yml

@@ -0,0 +1,14 @@
+description: Itty-Bitty server
+## XXXvlab: No tagged version available on this docker repository.
+docker-image: docker.0k.io/itty-bitty:0.0.1  ## dewgenenny/itty-bitty-docker:latest, pushed in 2018 - ID = 090f960b2048
+
+uses:
+  web-proxy:
+    #constraint: required | recommended | optional
+    #auto: pair | summon | none ## default: pair
+    constraint: recommended
+    auto: pair
+    solves:
+      proxy: "Public access"
+    default-options:
+      target: !var-expand ${MASTER_BASE_SERVICE_NAME}:80