docs: add missing spaces (#2639)

Before:
```
image.labelsMap
An optional key/value map of Docker labels to add to the container.

image.depends_onMap
```
After:
```
image.labels Map
An optional key/value map of Docker labels to add to the container.

image.depends_on Map
```

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Author: huanjani

site/content/docs/include/image-config.en.md

@@ -40,10 +40,10 @@ An optional credentials arn for private repository. The `credentials` field foll
 <span class="parent-field">image.</span><a id="image-port" href="#image-port" class="field">`port`</a> <span class="type">Integer</span>  
 The port exposed in your Dockerfile. Copilot should parse this value for you from your `EXPOSE` instruction.
 
-<span class="parent-field">image.</span><a id="image-labels" href="#image-labels" class="field">`labels`</a><span class="type">Map</span>  
+<span class="parent-field">image.</span><a id="image-labels" href="#image-labels" class="field">`labels`</a> <span class="type">Map</span>  
 An optional key/value map of [Docker labels](https://docs.docker.com/config/labels-custom-metadata/) to add to the container.
 
-<span class="parent-field">image.</span><a id="image-depends-on" href="#image-depends-on" class="field">`depends_on`</a><span class="type">Map</span>  
+<span class="parent-field">image.</span><a id="image-depends-on" href="#image-depends-on" class="field">`depends_on`</a> <span class="type">Map</span>  
 An optional key/value map of [Container Dependencies](https://docs.aws.amazon.com/AmazonECS/latest/APIReference/API_ContainerDependency.html) to add to the container. The key of the map is a container name and the value is the condition to depend on. Valid conditions are: `start`, `healthy`, `complete`, and `success`. You cannot specify a `complete` or `success` dependency on an essential container.
 
 !!! note

site/content/docs/include/image-config.ja.md

@@ -37,5 +37,5 @@ Dockerfile からコンテナイメージをビルドする代わりに、既存
 <span class="parent-field">image.</span><a id="image-port" href="#image-port" class="field">`port`</a> <span class="type">Integer</span>  
 公開するポート番号。Dockerfile 内に `EXPOSE` インストラクションが記述されている場合、Copilot はそれをパースした値をここに挿入します。  
 
-<span class="parent-field">image.</span><a id="image-labels" href="#image-labels" class="field">`labels`</a><span class="type">Map</span>  
+<span class="parent-field">image.</span><a id="image-labels" href="#image-labels" class="field">`labels`</a> <span class="type">Map</span>  
 コンテナに付与したい [Docker ラベル](https://docs.docker.com/config/labels-custom-metadata/)を key/value の Map で指定できます。これは任意設定項目です。