update README.md - minimize config ### tags, add .sway-config.yml

.sway-config.yaml

@@ -0,0 +1,9 @@
+repos:
+-   id: sway
+    repo: git@github.com:saurbhc/sway
+    path: .
+    envs:
+    -   env: dev
+        branch: dev
+    -   env: prod
+        branch: main

README.md

@@ -8,27 +8,31 @@
 $ pip install sway
 ```
 
-### Config creation
+### Branch Management
+
+Triggers `git checkout <branch in 'dev' env>`
 
 ```console
-$ sway config init
+$ sway branch -e dev
 ```
 
-### Config validation
+Multiple envs can be setup in `.sway-config.yaml`
+
+### Config
+
+config creation interactively
 
 ```console
-$ sway config validate
+$ sway config init
 ```
 
-### Branch Management
-
-Triggers `git checkout <branch in 'dev' env>`
+config validation
 
 ```console
-$ sway branch -e dev
+$ sway config validate
 ```
 
-Multiple envs can be setup in `.sway-config.yaml`
+For example config, see `.sway-config.yml`
 
 ---