[Doc] Version histoty update and usage update

Author: MijazzChan

README.md

@@ -28,11 +28,23 @@ curl -LS -o /config/scripts/cloudflare-ddns-edgeos.tar.gz https://cdn.jsdelivr.n
 
 ### 2 - Deploy
 
-+ `tar -xvf /config/scripts/cloudflare-ddns-edgeos.tar.gz`
+#### Extraction
 
-+ Alter variables in `/config/scripts/cloudflare-ddns-edgeos/cfddns.sh`.
+```bash
+tar -xvf /config/scripts/cloudflare-ddns-edgeos.tar.gz
+```
+
+#### Global Parameters Editing
+
+**!!! This step is IMPORTANT !!!**
+
+Alter variables in `/config/scripts/cloudflare-ddns-edgeos/cfddns.sh`
+
+Meanings & where-can-be-found of global parameters is provided in `cfddns.sh` via code comments.
 
-+ `+x` to files using `chmod +x /config/scripts/cloudflare-ddns-edgeos/cfddns.sh`
+#### Extra Steps
+
+`+x` to files using `chmod +x /config/scripts/cloudflare-ddns-edgeos/cfddns.sh`
 
 ### 3 - Test 
 
@@ -68,6 +80,14 @@ Thus...this project.
 
 ## Release/Feature History
 
+### v1.1
+
++ Automatically create dns record (No need to create record manually in advance).
+
++ Continuous-Delivery via `Github Action` is configured, build and push artifact to `releases` branch.
+
++ Documentation & comments update (following shell style guideline).
+
 ### v1.0-hotfix
 
 + Fix script import error. (MUST use absolute path to import `cloudflare-ddns`)
@@ -84,4 +104,4 @@ Copyright © 2022 MijazzChan <mijazz@qq.com>
 
 This work is free. You can redistribute it and/or modify it under the
 terms of the Do What The Fuck You Want To Public License, Version 2,
-as published by Sam Hocevar. See http://www.wtfpl.net/ for more details.
+as published by Sam Hocevar. See http://www.wtfpl.net/ for more details.