fix: Update quickstart.md based on feedback

Author: NotAwar

content/en/docs/v3.5/quickstart.md

@@ -10,9 +10,6 @@ Before you begin, ensure you have the following:
 
    1. **etcd Installed**  
       Build or download etcd from [Install][] and verify that the `etcd` binary is in your system’s PATH.
-      {{% alert color="warning" %}}**Important**: Ensure that you perform the last
-      step of the installation instructions to verify that `etcd` is in your path.
-      {{% /alert %}}
 
    2. **Terminal Access**  
       You’ll need two terminal windows: one to run the etcd server and one to interact with it using `etcdctl`.
@@ -34,10 +31,6 @@ Choose the workflow that best fits your role:
       ⋮
       ```
 
-      {{% alert color="info" %}}**Note**: The output produced by `etcd` are
-      [logs](../op-guide/configuration/#logging) — info-level logs can
-      be ignored. {{% /alert %}}
-
    2. **Interact with etcd**  
       In a separate terminal, run the following commands to set and retrieve a key:
 
@@ -71,38 +64,42 @@ Choose the workflow that best fits your role:
       ```
 
    3. **Configure and Secure etcd**  
-      Check out the Operator Guide for steps on clustering, securing with TLS, and performance tuning.
+      Check out the [Operations guide][] for steps on [clustering][], securing with TLS, and performance tuning.
+
    4. **Troubleshooting & Maintenance**  
       If issues arise, consult the Troubleshooting section for common problems and solutions.
 
 ## What's next?
 
 Learn about more ways to configure and use etcd from the following pages:
 
-- ### **Development:**
+### **Development:**
+
+Continue with the [Developer guide][dev-guide], which includes the [Set up a local cluster][] page, [API][] references, and integration examples.
 
-Continue with the [Developer guide][], which includes the [Set up a local cluster][] page, [API][] references, and integration examples.
+- Explore the gRPC [API][]
 
-- #### Explore the gRPC [API][]
+- Find [language bindings and tools][integrations]
 
-- #### Find [language bindings and tools][integrations]
+### **Operations:**
 
-- ### **Operations:**
+Proceed to the [Operations guide][op-guide] for advanced configuration, clustering, security, and performance tuning.
 
-Proceed to the [Operations guide][] for advanced configuration, clustering, security, and performance tuning.
+- Set up a [multi-machine cluster][clustering]
 
-- #### Set up a [multi-machine cluster][clustering]
+- Use TLS to [secure an etcd cluster][security]
 
-- #### Use TLS to [secure an etcd cluster][security]
+- [Tune etcd][tuning]
 
-- #### [Tune etcd][tuning]
+- Learn how to [configure][] etcd
 
-- #### Learn how to [configure][] etcd
 
-[api]: /docs/{{< param version >}}/learning/api
+[API]: /docs/{{< param version >}}/learning/api
 [clustering]: /docs/{{< param version >}}/op-guide/clustering
 [configure]: /docs/{{< param version >}}/op-guide/configuration
 [integrations]: /docs/{{< param version >}}/integrations
 [security]: /docs/{{< param version >}}/op-guide/security
 [tuning]: /docs/{{< param version >}}/tuning
 [Install]: ../install/
+[dev-guide]: /docs/{{< param version >}}/dev-guide
+[op-guide]: /docs/{{< param version >}}/op-guide