chore[README]: add guide to generate and access javadoc html

README.md

@@ -213,7 +213,7 @@ https://git.ntnu.no/Group-5/Help-Me-Help
 **Run From JAR:     (Windows)
 
 1. Download Project JAR:
-    Go to repository and download the JAR.
+    Go to repository and download the JAR from the jar release.
 
 2. Run the JAR in Terminal:
     ```bash
@@ -274,6 +274,18 @@ Each report includes:
    3. Execution times
    4. Running tests in an IDE
 
+## Accessing the javadocs
+The javadoc can be generated and accessed using the following commands.
+
+1. Generate the Javadoc HTML
+    ```bash
+    mvn javadoc:javadoc
+    ```
+    ```
+    ```
+
+2. Open the HTML file
+    open ```target/reports/apidocs/index.html```
 
 ## References 🔗