added readme

README.md

@@ -18,4 +18,30 @@
 ## 🚀 Installation
 ```bash
 npm install promstats
-```
+```
+
+## 🔧 Configuration
+Before using any functions, you must configure the Prometheus endpoint:
+```js
+import { setUrlEndpoint } from 'promstats';
+setUrlEndpoint('http://localhost:9090');
+```
+
+## Usage:
+```js
+import { setUrlEndpoint, CPU, RAM, System } from 'promstats';
+
+setUrlEndpoint('http://localhost:9090');
+
+CPU.getCpuLoad().then(load => {
+  console.log('CPU Load:', load);
+});
+
+RAM.getUsedMemory().then(used => {
+  console.log('Used Memory:', used);
+});
+
+System.getOsName().then(os => {
+  console.log('OS Name:', os);
+});
+```

src/cpu.ts

@@ -172,7 +172,4 @@ export class CPU {
             return null;
         }
     }
-
-
-
 }