Reorder Config fields for test-config command

This order looks more readable to me, with:
- one line options at the beginning of config
- streams at the end of config
- filters at the end of streams
- actions at the end of filters

src/concepts/config.rs

@@ -19,22 +19,21 @@ pub type Patterns = BTreeMap<String, Arc<Pattern>>;
 #[cfg_attr(test, derive(Default))]
 #[serde(deny_unknown_fields)]
 pub struct Config {
-    #[serde(default)]
-    patterns: Patterns,
-
-    #[serde(default)]
-    streams: BTreeMap<String, Stream>,
-
     #[serde(default = "num_cpus::get")]
     concurrency: usize,
+    #[serde(default = "dot", skip_serializing_if = "String::is_empty")]
+    state_directory: String,
+
+    #[serde(default)]
+    patterns: Patterns,
 
     #[serde(default, skip_serializing_if = "Vec::is_empty")]
     start: Vec<Vec<String>>,
     #[serde(default, skip_serializing_if = "Vec::is_empty")]
     stop: Vec<Vec<String>>,
 
-    #[serde(default = "dot", skip_serializing_if = "String::is_empty")]
-    state_directory: String,
+    #[serde(default)]
+    streams: BTreeMap<String, Stream>,
 
     // This field only serve the purpose of having a top-level place for saving YAML variables
     #[serde(default, skip_serializing, rename = "definitions")]

src/concepts/filter.rs

@@ -19,7 +19,6 @@ use super::{Action, Match, Pattern, Patterns};
 #[derive(Clone, Debug, Default, Deserialize, Serialize)]
 #[serde(deny_unknown_fields)]
 pub struct Filter {
-    actions: BTreeMap<String, Action>,
     #[serde(skip)]
     longuest_action_duration: TimeDelta,
 
@@ -38,6 +37,8 @@ pub struct Filter {
     #[serde(skip)]
     retry_duration: Option<TimeDelta>,
 
+    actions: BTreeMap<String, Action>,
+
     #[serde(skip)]
     name: String,
     #[serde(skip)]