Update README.md

README.md

-# Title
+# Squid Web Proxy
 
-A short description about the plugin
+This CheckMK plugin monitors the prsformance of the _**Squid Web Proxy**_. This plugin is intended to use with the Agent Bakery of CheckMK.
 
-if there are more than on plugin put it in collapsable sections
-<details><summary>check_plugin_1</summary>
+### Acnowlegement
 
-</details>
-<details><summary>check_pluhin_2</summary>
-
-</details>
+This plugin is based on the work of Allan GooD: allan[dot]cassaro[at]gmail[dot]com. See https://github.com/allangood/check_mk/tree/master/plugins/squid for more details.
 
 ---
 ### Download
 
-* [PACKAGE_NAME.mkp (latest version)](https://thl-cmk.hopto.org/gitlab/checkmk/PATH_TO_THE_PACKAGE/-/raw/master/PACKAGE_NAME.mkp "Download latest version")
+* [squid.mkp (latest version)](https://thl-cmk.hopto.org/gitlab/checkmk/various/squid/-/raw/master/squid.mkp "Download latest version")
                         
 ---
 ### Installation
 
 You can install the package by uploading it to your CheckMK site and as site user run 
 ```
-mkp install PAKAGE_NAME.mkp
-mkp enable PAKAGE_NAME VERSION
+mkp install squid.mkp
+mkp enable squid VERSION
 ```
 
 In the Enterprise/Free/Cloud edition of CheckMK you can use the GUI to install the package (_Setup_ -> _Extension Packages_ -> _Upload package_)
 
+The agentplugin requieres the **squidclient** package to be installed in addition to the _**Squid Web Proxy**_.
+
 ---
 ### Want to Contribute?
 
@@ -34,25 +32,34 @@ Nice ;-) Have a look at the [contribution guidelines](CONTRIBUTING.md "Contribut
 ---
 ### Check Info
 
-The plugin creates the service **_SERVICENAME_** for each discovered FOR WHAT with the **_HOW_TO_BUILD_THE_ITEM_** as item
+The plugin creates the service **_Squid_** the items _**Client**_, _**Server**_, _**CPU**_ and _**DNS**_.
 
 <details><summary>Montoring states</summary>
 
-| State | condition | WATO | 
-| ------ | ------ | ------ |
-| WARN | condition 1 | yes |
-| CRIT | condition 2 | no |
-| WARN/CRIT | condition 3 | no |
+| State     | Counter           | condition     | WATO   |
+| -----     | -----             |------         | ------ |
+| WARN/CRIT | Client Requests   | not in levels | yes    |
+| WARN/CRIT | Client Hits       | not in levels | yes    |
+| WARN/CRIT | Server Requests   | not in levels | yes    |
+| WARN/CRIT | CPU Usage         | not in levels | yes    |
+| WARN/CRIT | DNS response time | not in levels | yes    |
 
 </details>
 
 <details><summary>Perfdata</summary>
 
-| Metric | Unit | Perfometer |
-| ------ | ------ | ------ |
-| METRIC 1 | bit/s | yes |
-| METRIC 2 | C | yes |
-| METRIC 3 | V | no |
+| Metric              | Unit    | Perfometer |
+| ------              | ------  | ------     |
+| Client requests     | 1/s     | no         |
+| Client errors       | 1/s     | no         |
+| Client hits         | 1/s     | no         |
+| Client bytes in/out | bit/s   | yes        |
+| Server requests     | 1/s     | no         |
+| Server errors       | 1/s     | no         |
+| Server bytes in/out | bit/s   | yes        |
+| CPU utilization     | %       | yes        |
+| CPU time            | seconds | no         |
+| DNS response time   | seconds | yes        |
 
 </details>
 
@@ -60,43 +67,35 @@ The plugin creates the service **_SERVICENAME_** for each discovered FOR WHAT wi
 ### WATO
 <details><summary>Service monitoring rule</summary>
 
-| Section | Rule name |
-| ------ | ------ |
-| Networking | NAME_OF_THE_RULE  |
+| Section                            | Rule name       |
+| ------                             | ------          |
+| Applications, Processes & Services | Squid Web Proxy |
 
-| Option | Defailt value |
-| ------ | ------ |
-| OPTION 1 | 10/50|
-| OPTION 2 | 70/90 |
-| OPTION 3 | CHOICE 1 |
-| OPTION 4 | disabled |
+| Option                           | Defailt value | Predictive | 
+| ------                           | ------        | ---------- |
+| Set levels for Client Requests   | none          | optional   |
+| Set levels for Client Hits       | none          | optional   |
+| Set levels for Server Requests   | none          | optional   |
+| Set levels for Squid CPU usage   | 60.0/80.0     | optional   |
+| Set levels for DNS response time | 2.0/4.0       | no         |
 
 </details> 
 
-<details><summary>Discovery rule</summary>
+<details><summary>Bakery rule</summary>
 
-| Section | Rule name |
-| ------ | ------ |
-| Discovery of individual services | NAME_OF_THE_RULE  |
+| Section     | Rule name               |
+| ------      | ------                  |
+| Agent rules | Squid Web Proxy (Linux) |
 
-| Option | Defailt value |
-| ------ | ------ |
-| OPTION 1 | disabled |
+| Option      | Defailt value |
+| ------      | ------        |
+| Port number | 3128          |
 
 </details> 
 
-<details><summary>HW/SW inventory rules</summary>
-The inventory plugin is not configurable.
-</details> 
-
 ---
 ### Sample Output
 
 Sample output
 
 ![sample output](/doc/sample.png?raw=true "sample output")
-
-Sample output details
-
-![sample output details](/doc/sample-details.png?raw=true "sample output details")
-