docs: Fix small errors and markup issues in documentation

- Updated the link to OpenAI API key page in the setup guide
- Fixed formatting issues in the usage guide
- Updated the link to the `.env.template` file in the usage guide
- Fixed formatting and wording issues in the index page

docs/content/AutoGPT/setup/index.md

@@ -30,7 +30,8 @@
 
 ### 🗝️ Getting an OpenAI API key
 
-Get your OpenAI API key from: https://platform.openai.com/account/api-keys.
+Get your OpenAI API key from:
+[https://platform.openai.com/account/api-keys](https://platform.openai.com/account/api-keys).
 
 !!! attention
     To use the OpenAI API with AutoGPT, we strongly recommend **setting up billing**
@@ -72,12 +73,12 @@ Since we don't ship AutoGPT as a desktop application, you'll need to download th
 Once you have cloned or downloaded the project, you can find the AutoGPT Agent in the
 `autogpts/autogpt/` folder. In this folder:
 
-1. Find the file named `.env.template` in the main `Auto-GPT` folder. This file may
+1. Find the file named `.env.template`. This file may
     be hidden by default in some operating systems due to the dot prefix. To reveal
     hidden files, follow the instructions for your specific operating system:
     [Windows][show hidden files/Windows] and [macOS][show hidden files/macOS].
 2. Create a copy of `.env.template` and call it `.env`;
-    if you're already in a command prompt/terminal window: 
+    if you're already in a command prompt/terminal window:
     ```shell
     cp .env.template .env
     ```

docs/content/AutoGPT/usage.md

@@ -152,8 +152,8 @@ For more information about the API of the application, see [agentprotocol.ai](ht
 ### Arguments
 
 !!! attention
-    Most arguments are equivalent to configuration options. See [`.env.template`] for
-    all available configuration options.
+    Most arguments are equivalent to configuration options. See [`.env.template`][.env.template]
+    for all available configuration options.
 
 !!! note
     Replace anything in angled brackets (<>) to a value you want to specify
@@ -176,13 +176,14 @@ Here are some common arguments you can use when running AutoGPT:
     There are shorthands for some of these flags, for example `-P` for `--prompt-settings`.  
     Use `./run.sh --help` for more information.
 
-[`.env.template`]: https://github.com/Significant-Gravitas/AutoGPT/tree/docs/streamline-getting-started/autogpts/autogpt/.env.template
+[.env.template]: https://github.com/Significant-Gravitas/AutoGPT/tree/master/autogpts/autogpt/.env.template
 
 ## Agent State
 [agent state]: #agent-state
 
 The state of individual agents is stored in the `data/agents` folder. You can use this
 in various ways:
+
 * Resume your agent at a later time.
 * Create "checkpoints" for your agent so you can always go back to specific points in
     its history.

docs/content/index.md

@@ -4,10 +4,10 @@ Welcome to the AutoGPT Documentation.
 
 The AutoGPT project consists of four main components:
 
-* The [Agent](#-agent) – also known as just "AutoGPT"
-* The [Benchmark](#-benchmark) – AKA `agbenchmark`
-* The [Forge](#-forge)
-* The [Frontend](#-frontend)
+* The [Agent](#agent) – also known as just "AutoGPT"
+* The [Benchmark](#benchmark) – AKA `agbenchmark`
+* The [Forge](#forge)
+* The [Frontend](#frontend)
 
 To tie these together, we also have a CLI at the root of the project.