[PubSubSwarrot] Add base configuration for pubsub bundle

dekalee/pubsub-swarrot-bundle/1.0/config/packages/dekalee_pub_sub_swarrot.yaml

@@ -0,0 +1,2 @@
+dekalee_pub_sub_swarrot:
+    key_file_path: '%env(DEKALEE_PUBSUB_SWARROT_KEY_FILE_PATH)%'

dekalee/pubsub-swarrot-bundle/1.0/manifest.json

@@ -0,0 +1,11 @@
+{
+    "bundles": {
+        "Dekalee\\PubSubSwarrotBundle\\DekaleePubSubSwarrotBundle": ["all"]
+    },
+    "copy-from-recipe": {
+        "config/": "%CONFIG_DIR%/"
+    },
+    "env": {
+        "#DEKALEE_PUBSUB_SWARROT_KEY_FILE_PATH": "your-pub_sub-key-file-path"
+    }
+}

dekalee/pubsub-swarrot-bundle/1.0/post-install.txt

@@ -0,0 +1,6 @@
+<bg=blue;fg=white>                              </>
+<bg=blue;fg=white> DekaleePubSubSwarrot, What's next? </>
+<bg=blue;fg=white>                              </>
+
+  * The Dekalee/PubSubSwarrotBundle needs your pubsub configuration.
+    Modify your DEKALEE_PUBSUB_SWARROT_KEY_FILE_PATH config in <fg=green>.env</>