add dev stack

testdata/synapse/synapse.log.config

@@ -0,0 +1,28 @@
+version: 1
+formatters:
+    precise:
+        format: '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s - %(message)s'
+filters:
+    context:
+        (): synapse.util.logcontext.LoggingContextFilter
+        request: ""
+handlers:
+    console:
+        class: logging.StreamHandler
+        formatter: precise
+        filters: [context]
+loggers:
+    synapse:
+        level: INFO
+    shared_secret_authenticator:
+        level: INFO
+    rest_auth_provider:
+        level: INFO
+    synapse.storage.SQL:
+        # beware: increasing this to DEBUG will make synapse log sensitive
+        # information such as access tokens.
+        level: INFO
+root:
+    level: INFO
+    handlers: [console]
+